SEPs, FRAND, and Standards

Every time a smartphone connects to a 5G network, a laptop joins a WiFi hotspot, or a car streams music over Bluetooth, it implements a technical standard. Standards are the invisible agreements that make devices interoperable -- the reason a Samsung phone can call an Apple phone, a Dell laptop can connect to a Cisco router, and a BMW can use the same cellular network as a Tesla. But these standards are not created in a vacuum. They are built from contributions made by engineers at competing companies, and those contributions are often protected by patents. When a patent covers technology that is essential to implementing a standard -- meaning there is no way to comply with the standard without using the patented technology -- that patent is called a standard-essential patent, or SEP.

SEPs occupy a unique and contentious position in patent law. The standard creates a form of lock-in: once an industry adopts a standard, every company building a compliant product must use the patented technology, and there is no design-around available. This gives the SEP holder enormous leverage, far beyond what the patent would command in an open market where alternative technologies could compete. To counterbalance that leverage, standards bodies require SEP holders to commit to licensing their patents on fair, reasonable, and non-discriminatory (FRAND) terms. The tension between the SEP holder's right to a fair return on its innovation and the implementer's need for access to standardized technology at a reasonable cost has generated some of the highest-stakes patent litigation of the past two decades, reshaped global patent strategy, and drawn the attention of competition authorities, courts, and regulators on every continent.

This chapter explains what SEPs are, how standards bodies operate, what FRAND means in practice, how FRAND royalty rates are calculated, and how SEP disputes play out in courtrooms around the world. It also covers the strategic dynamics of hold-up and hold-out, the industries most affected by SEP licensing, the databases available for researching SEP declarations, and the regulatory changes now underway.

What Makes a Patent "Standard Essential"

A standard-essential patent is a patent that claims an invention that must be practiced by anyone implementing a particular technical standard. The key word is "must." If there exists an alternative way to implement the standard without using the patented technology, the patent is not essential to the standard, even if it covers a useful or popular implementation approach.

Essentiality is assessed at the level of individual patent claims, not entire patents. A patent with twenty claims might have three claims that are essential to 5G NR (New Radio), five claims that are essential to LTE, and twelve claims that are not essential to any standard. Each claim is evaluated separately against the relevant standard specification.

The gap between declared and truly essential SEPs is one of the most significant practical challenges in the field. A 2022 European Commission study found that only about 20 to 30 percent of patents declared as essential to cellular standards are actually essential when examined by technical experts. This over-declaration inflates the apparent royalty burden on implementers and complicates licensing negotiations, because neither side can easily determine which patents in a large portfolio are truly essential without expensive claim-by-claim analysis.

How Standards Bodies Work

Technical standards are developed by standards-setting organizations (SSOs), also called standards development organizations (SDOs). These bodies bring together engineers from competing companies, academic researchers, and government representatives to agree on shared technical specifications. The process is designed to produce the best available technology while ensuring that the resulting standard is implementable by all participants on fair terms.

Major Standards Bodies

The Standard-Setting Process

The standard-setting process typically follows a predictable sequence. A working group identifies a technical problem -- for example, the need for a more efficient method of encoding video or a higher-throughput wireless protocol. Member companies submit technical contributions proposing solutions. Engineers evaluate the proposals on technical merit: performance, complexity, power consumption, backward compatibility. After rounds of discussion, testing, and refinement, the working group selects the best technology for inclusion in the standard specification.

This is where the intellectual property dimension enters. The company whose contribution is selected for the standard may hold patents covering that technology. The standards body's IPR policy requires the company to declare those patents and commit to licensing them on FRAND terms. This commitment is a condition of participation in the standard-setting process, not an afterthought. The entire system depends on the assurance that essential technology will be available to all implementers at a fair price.

IPR Disclosure Obligations

Different standards bodies handle IPR disclosure differently. ETSI requires members to make "reasonable endeavours" to identify patents that might be essential to standards under development and to declare them in a timely manner. IEEE requires participants to disclose patents they are personally aware of that might be essential. IETF requires contributors to disclose patents of which they have actual knowledge.

No standards body requires participants to conduct patent searches to identify all potentially essential patents, and no standards body independently evaluates whether declared patents are actually essential. This gap is by design -- standards bodies are engineering organizations, not patent examination offices -- but it creates the over-declaration problem discussed above.

The FRAND Commitment

FRAND stands for Fair, Reasonable, and Non-Discriminatory. When a patent holder makes a FRAND commitment to a standards body, it promises to license its standard-essential patents to any willing licensee on terms that satisfy all three of these requirements. The FRAND commitment is the linchpin of the entire SEP system. Without it, a company whose technology is incorporated into a standard could charge monopoly prices, knowing that implementers have no alternative.

What Each Word Means

Fair implies that the licensing terms should reflect a balance between the value contributed by the patented technology and the overall costs borne by implementers. Fairness considers the broader ecosystem, not just the bilateral relationship between one SEP holder and one implementer. A license that would be fair if only one SEP existed may be unfair if there are hundreds of SEPs covering the same standard, because the aggregate royalty burden becomes excessive.

Reasonable addresses the royalty rate itself. A reasonable rate compensates the SEP holder for the value of its contribution to the standard but does not allow the SEP holder to capture value attributable to the standard's adoption (the "standardization premium"). The rate should approximate what the parties would have agreed to in a hypothetical negotiation before the standard was adopted, when alternative technologies were still available.

Non-discriminatory means that the SEP holder must offer comparable terms to similarly situated licensees. It does not require identical terms for every licensee -- a large-volume manufacturer may receive a lower per-unit rate than a small-volume one -- but the terms must not be used to favor or disadvantage particular competitors. The non-discrimination obligation also generally means the SEP holder cannot refuse to license to any willing licensee, including competitors.

FRAND Rate Determination

The most contested question in SEP law is deceptively simple: what royalty rate satisfies FRAND? Courts and arbitrators around the world have developed several methodologies for answering this question, and the choice of methodology can produce dramatically different results.

Top-Down Approach

The top-down approach starts with the total royalty burden that implementers can bear for all SEPs covering a given standard, then divides that total among SEP holders based on the relative value of their contributions. This method directly addresses the royalty-stacking problem by ensuring that the aggregate royalty for all SEPs does not exceed a reasonable percentage of the product's selling price.

The steps are: (1) determine the aggregate royalty rate for the entire standard (often estimated at 5 to 10 percent of the device selling price for cellular standards), (2) count the total number of truly essential patent families for the standard, (3) determine what share of those essential patents belong to the licensor, and (4) multiply the aggregate rate by the licensor's share.

Bottom-Up Approach

The bottom-up approach starts from the value of the specific patented technology relative to the next-best alternative that was available at the time the standard was being developed. It asks: what would a willing licensor and willing licensee have agreed to pay for this technology, if they had negotiated before the standard was adopted, when the licensee could still have chosen an alternative? This methodology isolates the incremental value of the patented technology from the value created by standardization itself.

Comparable Licenses

Courts frequently look to existing license agreements for the same or similar SEPs as evidence of a FRAND rate. If a SEP holder has already licensed its portfolio to dozens of companies, the rates in those agreements provide strong evidence of market-determined FRAND terms. Courts evaluate whether comparable licenses were negotiated at arm's length, whether they involved similarly situated parties, and whether the circumstances were sufficiently similar to be informative.

Royalty Base: SSPPU vs. EMVR

One of the most consequential debates in FRAND rate-setting concerns the royalty base -- the number to which the percentage royalty rate is applied.

The choice between SSPPU and EMVR can swing the royalty amount by an order of magnitude. A 1 percent royalty applied to a $15 baseband chip yields $0.15 per unit. The same 1 percent applied to a $1,000 smartphone yields $10.00 per unit. Both numbers could be called "1 percent," but they represent fundamentally different economic outcomes. In practice, courts often use a blended approach: applying a lower percentage rate to the entire device price, or a higher percentage rate to the component price, calibrated to produce the same dollar-per-unit result.

SEP Licensing Negotiations

SEP licensing negotiations follow patterns that differ substantially from ordinary patent licensing. The FRAND commitment means the SEP holder cannot simply refuse to license, and the implementer cannot simply ignore the patents. Both parties have obligations, and courts have developed frameworks for evaluating whether each party is behaving in good faith.

The Huawei v ZTE Framework (EU)

The most influential framework for SEP licensing negotiations comes from the Court of Justice of the European Union's 2015 decision in Huawei v ZTE (Case C-170/13). The court established a step-by-step process that SEP holders and implementers must follow before injunctive relief becomes available.

If the SEP holder follows these steps and the implementer fails to engage, the SEP holder can seek an injunction without violating competition law. Conversely, if the SEP holder seeks an injunction without first following these steps, it may be found to have abused a dominant market position under Article 102 of the Treaty on the Functioning of the European Union. The Huawei v ZTE framework has become the standard reference point for SEP negotiations worldwide, even in jurisdictions where it is not technically binding.

Willing Licensor / Willing Licensee

In the United States and the United Kingdom, courts apply a "willing licensor, willing licensee" standard. This hypothetical negotiation framework asks: what would a patent holder willing to license and an implementer willing to take a license have agreed to in an arm's-length negotiation, assuming both parties were acting rationally and in good faith? The hypothetical removes the coercive leverage of a filed lawsuit from the equation and focuses on the economic fundamentals -- the value of the technology, the availability of alternatives, the volume of the implementer's sales, and comparable license agreements.

SEP Litigation Worldwide

SEP disputes are among the most complex and geographically fragmented patent cases in the world. A single dispute between two companies may involve litigation in five or more countries simultaneously, with each court applying different legal standards and potentially reaching different conclusions about the same patents and the same FRAND rate.

Injunctions

The availability of injunctions -- court orders requiring the implementer to stop selling infringing products -- is the single most important issue in SEP litigation. An injunction against a smartphone manufacturer, for example, can force the removal of an entire product line from a market, causing hundreds of millions of dollars in lost revenue. The threat of an injunction gives the SEP holder enormous negotiating leverage, which is why competition authorities and courts have placed significant limits on when injunctions are available for SEPs.

In the EU, injunctions are available only if the SEP holder has followed the Huawei v ZTE negotiation steps and the implementer is found to be an unwilling licensee. In the United States, the Supreme Court's 2006 decision in eBay v MercExchange established a four-factor test for injunctions that makes them harder to obtain in patent cases generally, and several courts have held that FRAND-committed SEP holders face an even higher bar because their commitment to license undermines the argument that damages are inadequate.

Global Rate-Setting

Several courts have asserted jurisdiction to set global FRAND royalty rates -- determining the per-unit rate or total royalty that an implementer must pay for a worldwide license covering all of the SEP holder's standard-essential patents. This practice began with the UK courts in Unwired Planet v Huawei (2017) and Optis v Apple (ongoing as of 2026), where the court held that FRAND licensing for global standards typically requires global licenses and that a national court can determine the terms of such a license.

Global rate-setting has been adopted with variations by courts in France, Germany, the Netherlands, and China. It has proven controversial because it means a single national court can effectively determine licensing terms for patents in jurisdictions whose courts never examined the patents. The legitimacy of global rate-setting depends in part on the enforceability of the resulting judgment -- a court can set a global rate, but it cannot directly compel compliance in other countries.

Anti-Suit Injunctions

The fragmentation of SEP litigation has given rise to anti-suit injunctions -- orders from one court directing a party not to pursue litigation in another country's courts. If a SEP holder files infringement suits in five countries, the implementer may seek an anti-suit injunction from a court in one of those countries (or a different country entirely) to prevent the SEP holder from pursuing the other four cases. Anti-suit injunctions have become particularly common in disputes involving Chinese courts, which have asserted authority to set global FRAND rates and have issued anti-suit injunctions of their own.

The escalating use of anti-suit injunctions (and anti-anti-suit injunctions, where a second court orders a party not to seek an anti-suit injunction from a first court) has created a jurisdictional arms race that many commentators view as unsustainable. The EU proposed regulations to address this problem, and WIPO has convened symposia on coordinating SEP dispute resolution across borders.

Patent Hold-Up and Hold-Out

The SEP system is shaped by two opposing strategic risks, each of which can distort licensing outcomes.

Hold-Up

Patent hold-up occurs when an SEP holder exploits the lock-in created by standardization to demand royalties far above what the patented technology would command in a competitive market. Before a standard is adopted, implementers can choose among alternative technologies. After adoption, they are locked in. An SEP holder engaging in hold-up leverages this lock-in to demand royalties that reflect the value of the standard as a whole, not just the incremental value of the patented technology.

Hold-up is particularly damaging because the implementer's switching costs are enormous -- redesigning a product to avoid a standard is rarely feasible, and abandoning the standard entirely means abandoning the market. The FRAND commitment is the primary defense against hold-up: by committing to license on fair and reasonable terms, the SEP holder agrees not to exploit the standardization premium.

Hold-Out

Patent hold-out is the mirror image of hold-up. It occurs when an implementer refuses to negotiate a license in good faith, despite using the patented technology, knowing that the FRAND commitment limits the SEP holder's ability to obtain an injunction or demand high royalties. The implementer delays, stonewalls, or makes unreasonably low counter-offers, hoping to exhaust the SEP holder's patience and resources and ultimately obtain a below-FRAND rate.

Hold-out is particularly effective when the implementer is a large company with deep litigation resources and the SEP holder is a smaller entity that cannot afford years of multi-jurisdictional litigation. The Huawei v ZTE framework addresses hold-out by preserving the SEP holder's right to an injunction when the implementer is unwilling to negotiate, but proving unwillingness requires following the prescribed steps and producing evidence of the implementer's bad faith.

Industries Most Affected

SEPs are concentrated in industries where interoperability standards are critical for market function. The impact varies significantly across sectors.

Telecommunications (4G/5G) is the epicenter of SEP activity. An estimated 50,000 or more patent families have been declared essential to 5G NR alone. The major SEP holders in cellular technology include Qualcomm, Huawei, Samsung, Nokia, Ericsson, LG, and InterDigital. Cumulative declared 5G SEP royalties are estimated to reach $20 billion or more annually once 5G is fully deployed globally.

WiFi (IEEE 802.11) involves a smaller but still significant SEP ecosystem. WiFi standards from 802.11a through WiFi 7 (802.11be) have generated thousands of declared SEPs. The licensing dynamics differ from cellular because the WiFi ecosystem includes a wider range of implementers, from smartphone makers to smart home device manufacturers to industrial IoT companies.

Video codecs (H.264, H.265/HEVC, VVC) are covered by SEPs pooled through licensing administrators such as MPEG LA and Access Advance. Video codec SEPs affect every device and platform that encodes or decodes video, from smartphones and streaming services to security cameras and medical imaging equipment.

Connected cars / Automotive have become a major new SEP battleground. Modern vehicles use cellular connectivity (4G/5G), WiFi, Bluetooth, and other standardized protocols. Automotive manufacturers, accustomed to component-level purchasing, have resisted SEP licensing at the vehicle level, arguing that royalties should be based on the connectivity module, not the car. SEP holders argue that the relevant product is the connected vehicle. This debate reflects the SSPPU vs. EMVR dispute discussed earlier and has generated litigation across Europe and the US.

IoT / Connected devices present a scaling challenge. As billions of low-cost IoT devices incorporate standardized connectivity, the per-unit royalty model becomes strained. A $5 sensor module implementing 4G connectivity cannot bear the same per-unit royalty as a $1,000 smartphone. IoT licensing has prompted new approaches, including tiered royalty structures, volume caps, and royalty-free standards initiatives.

SEP Databases and Transparency Resources

Identifying which patents are declared essential to which standards, and which of those patents are actually essential, is a foundational challenge. Several resources exist to support this research.

WIPO PATENTSCOPE launched verified SEP data in January 2026, providing the first major multilateral source of independently verified essentiality assessments. PATENTSCOPE allows users to search for SEP declarations alongside the full text of patent documents, linking declarations to specific standard specifications. This is a significant step toward the transparency that implementers, investors, and regulators have sought.

ETSI IPR Database is the primary repository for SEP declarations related to ETSI standards, including 3GPP cellular standards (GSM, UMTS, LTE, 5G). Companies participating in ETSI are required to declare patents they believe may be essential. The database is publicly accessible and contains hundreds of thousands of declarations, though it does not verify essentiality.

Patent pool administrators such as MPEG LA, Access Advance, Sisvel, and Via Licensing maintain curated portfolios of SEPs that have been evaluated for essentiality. Pool licenses offer implementers a convenient one-stop licensing solution for a portion of the SEPs covering a standard, though they typically do not cover all declared SEPs.

The Evolving Regulatory Landscape

The policy framework governing SEPs is changing rapidly. Dissatisfaction with the current system -- which relies heavily on bilateral negotiations and multi-jurisdictional litigation to resolve disputes -- has prompted regulatory action in several major jurisdictions.

European Union SEP Regulation. The European Commission proposed a comprehensive SEP Regulation in April 2023, which has continued to evolve through the legislative process. The proposed regulation would create a mandatory SEP registration system at the European Union Intellectual Property Office (EUIPO), require essentiality checks for a sample of registered SEPs, establish an aggregate royalty determination process, and create a mandatory conciliation procedure before SEP holders can seek injunctions. The regulation would apply to SEPs declared to any standards body for standards used in the EU, regardless of where the SEP holder is based.

United Kingdom. UK courts have been at the forefront of global FRAND rate-setting since Unwired Planet v Huawei (2017). The UK Intellectual Property Office has published policy papers on SEP licensing, and UK courts continue to hear major FRAND disputes, including the ongoing Optis v Apple and InterDigital v Lenovo cases. The UK approach relies primarily on judicial determination rather than administrative regulation.

United States. US policy on SEPs has shifted between administrations. The 2019 joint policy statement by the DOJ, USPTO, and NIST emphasized that FRAND-committed SEP holders should be able to seek injunctions and that hold-out was as serious a concern as hold-up. The 2021 revision of that policy statement emphasized the importance of the FRAND commitment as a limit on SEP holder conduct. Regardless of policy statements, US courts continue to apply the eBay four-factor test for injunctions and the Georgia-Pacific factors for reasonable royalty determination, with FRAND-specific adjustments for SEP cases.

China. Chinese courts have become increasingly active in SEP dispute resolution, setting global FRAND rates in several high-profile cases and issuing anti-suit injunctions to prevent parallel litigation in other countries. China's approach has drawn criticism from SEP holders who argue that Chinese courts tend to set rates significantly below those set by courts in Europe and the US. The Supreme People's Court of China issued judicial interpretations on SEP disputes in 2024, providing additional procedural guidance.

Strategic Considerations for Companies

Whether a company is an SEP holder, an implementer, or both, SEP strategy requires careful planning.

For SEP holders, the priorities include timely and accurate declaration of essential patents to the relevant standards body, active participation in the standard-setting process (where engineers' contributions create the future SEP portfolio), building a track record of good-faith licensing at consistent FRAND rates (which strengthens the holder's position in any future litigation), and maintaining detailed records of all licensing negotiations and offers.

For implementers, the priorities include monitoring SEP declarations for standards they implement, budgeting for SEP licensing costs as a standard component of product cost, responding promptly and substantively to licensing approaches from SEP holders (delay can be characterized as hold-out), and evaluating whether joining a patent pool offers more favorable terms than negotiating bilateral licenses.

For companies that are both holders and implementers -- which describes most large technology companies -- the strategic calculus is more complex. Cross-licensing agreements can offset royalty obligations, and a strong SEP portfolio provides both a revenue stream and a defensive shield against demands from other SEP holders. Portfolio strength is measured not by the number of declared patents but by the number of patents that are actually essential, independently verified, and aligned with the most commercially significant standard releases.

What's Next

This chapter examined the specialized world of standard-essential patents, FRAND licensing, and the standards ecosystem. Chapter 22 broadens the lens to patent enforcement and disputes more generally -- covering infringement analysis, litigation strategy, damages, and the full range of enforcement tools available to patent owners beyond the SEP context.