USPTO trademark

HIFIVE

Opposition periodUSPTOWord and designClass 9Class 35Class 41Class 42+1

"HIFIVE" is a word and design mark owned by SiFive, Inc., filed at the USPTO on May 14, 2026. It is in its opposition period and covers classes 9, 35, 41, 42 and 45.

View SiFive, Inc. portfolioGet this data via the API
Official USPTO record
HIFIVE trademark as filed
As filed with the USPTO
Status
Opposition period
Since October 20, 2026
Filed
May 14, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99823917
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
5 classes
Ownership

Who owns HIFIVE

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

SiFive, Inc.

Santa Clara, United States

21 trademarks in the portfolioView company

Representative

Christine Redfield

Redfield IP PC

Goods and services

What the mark covers

The products and services HIFIVE is filed for, grouped by Nice class.

  • Semiconductor chips; Integrated circuits; Microprocessors; Microcontrollers; Printed circuit boards; application-specific integrated circuits; system-on-chip devices, namely, microprocessors, microcontrollers, chips in the nature of multiprocessor chips, integrated circuit chips, computer chips, integrated circuits; embedded systems comprised of embedded computer hardware and embedded operating system software; electronic components and systems, namely, semiconductors, integrated circuits and microcontrollers; semiconductor intellectual property cores; microprocessor cores; downloadable computer software, namely, software for configuring semiconductor intellectual processor cores used in microprocessors, microcontrollers, chips, integrated circuits; downloadable electronic publications, namely, technical papers, and manuals in the field of computers and electronics; Computer hardware, namely, Central Processing Units (CPU); Downloadable computer software for creating, analyzing, and running quantum algorithms; Downloadable educational publications, namely, printable manuals, technical papers, product briefs, datasheets, schematics, user guides, and specifications, in the field of RISC-V computing, computer software, computer hardware, intellectual property cores, and artificial intelligence; Downloadable training materials in the field of RISC-V computing, computer software, computer hardware, intellectual property cores, and artificial intelligence

  • Distributorship services in the field of intellectual property cores

  • Providing online non-downloadable electronic publications in the nature of instruction manuals, user guides, installation guides, product datasheets, articles, and magazines in the fields of integrated circuits, microprocessors, computer programming, internet-of-things (iot), artificial intelligence, and electronics; educational services, namely, providing online instruction in the fields of integrated circuits, microprocessors, computer programming, internet-of-things (iot), artificial intelligence, and electronics; training in the fields of integrated circuits, microprocessors, computer programming, internet-of-things (iot), artificial intelligence, and electronics; Online journals, namely blogs featuring information and news in the fields of RISC-V computing, intellectual property cores, semiconductor intellectual processor cores, semiconductors, integrated circuits, microprocessors, internet-of-things (IoT), artificial intelligence, machine learning, and electronics; Education services, namely, providing non-downloadable webinars in the field of RISC-V computing, intellectual property cores, semiconductor intellectual processor cores, artificial intelligence, machine learning, and electronics; providing online non-downloadable videos in the field of RISC-V computing, intellectual property cores, semiconductor intellectual processor cores, artificial intelligence, machine learning, and electronics

  • microchip design services for others; consulting services in the field of product design and development; computer software design services provided on an outsourcing basis in the field of artificial intelligence; Scientific and technological services, namely, research and design in the field of microprocessors, integrated circuits, computer hardware, computer software, and electronics; Design and development of intelligence (AI) software for microprocessors, microcontrollers, chips, integrated circuits, and System on Chip (SOC); Research, development and design of semiconductor intellectual property cores, instruction set architectures, and RISC-based instruction set architectures; technological consultation in the technology field of RISC-V computing, computer software, computer hardware, intellectual property cores, artificial intelligence and machine learning

  • Licensing of software; licensing of computer programs; licensing of computer software and industrial property rights; granting of software licenses and granting of licenses for industrial property rights; Licensing intellectual property; licensing of intellectual property rights; granting of licenses for intellectual property rights; licensing of intellectual property in the field of microprocessor design file software, semiconductor intellectual property cores, instruction set architectures and RISC-based instruction set architectures; Intellectual property consultation

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Official gazette publication confirmation e-mailed
  2. Published for opposition
  3. Notification of notice of publication e-mailed
  4. Approved for pub - principal register
  5. Assigned to examiner
  6. Notice of design search code e-mailed
  7. New application office supplied data entered
  8. Application filing receipt mailed
  9. New application entered
FAQ

About HIFIVE

Who owns the trademark "HIFIVE"?

The USPTO trademark "HIFIVE" (application 99823917) is owned by SiFive, Inc.

What is the status of "HIFIVE"?

Its status at the USPTO is: opposition period.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull HIFIVE and marks like it into your own product with one request.

  • GET/v1/trademarks/{id}

    The full record: owners, classes, dates and images

  • GET/v1/trademarks/{id}/events

    Every step in the office history

  • GET/v1/proceedings?trademark_id={id}

    Oppositions and cancellations against the mark

Get API keyView docs
GET /v1/trademarks/{id}
ID=tm_019e2f39-7259-77cc-b4c2-16afe0f642c5
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019e2f39-7259-77cc-b4c2-16afe0f642c5",
  "object": "trademark",
  "mark_text": "HIFIVE",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99823917",
  "filing_date": "2026-05-14",
  "nice_classes": [
    9,
    35,
    41,
    42,
    45
  ],
  "owners": [
    {
      "name": "SiFive, Inc.",
      "entity_id": "ent_019ebbb2-805e-74e9-b6ba-51b30347358d"
    }
  ]
}