Duke University trademarks

United StatesLEI FY5ICUIRRDCHN4HHL592

Duke University owns 126 unique trademarks in 4 jurisdictions, combined from 4 owner names in the registers. 97 of them are active.

Browse all trademarksGet this data via the API
Unique trademarks
126
Active77% of unique marks
97
Jurisdictions
4
Owner names grouped
4
Coverage

Where Duke University protects its brands

Each mark counts once here: an international registration is grouped with its country designations, not counted once per country.

By office

By classA mark can cover several classes

+18 more

Activity

Filings per year

New trademarks Duke University has filed each year, counting each mark once.

Peak year · 44 filed
2025
2022 to 2026 · filed
54
First filing
1973

Filings by year: 1973: 1, 1982: 1, 1992: 1, 1994: 3, 1996: 4, 1998: 2, 1999: 1, 2000: 1, 2005: 1, 2006: 1, 2007: 1, 2008: 1, 2009: 7, 2010: 3, 2011: 2, 2012: 5, 2013: 6, 2014: 2, 2015: 5, 2016: 11, 2018: 8, 2019: 5, 2023: 1, 2024: 1, 2025: 44, 2026: 8.

Disputes and deals

Oppositions, cancellations and ownership changes

Proceedings Duke University has been part of, and the assignments recorded against its marks.

Disputes & oppositions

Proceedings
12
As challenger
5
As defendant
7

By proceeding type

  • Opposition8
  • Appeal3
  • Cancellation1

Outcomes

  • Other12

Assignments & security interests

Transactions
7
Marks acquired
5
Marks divested
2
Marks with liens
0
Unreleased security interests
0
  • Assignment6
  • Merger1

Recorded from 2011-05-03 to 2025-07-01.

Portfolio

Latest filings

The most recent applications across Duke University's owner names.

Browse all 126 register records
MarkStatusOfficeClassesFiled
Dpending oppositionUSPTO16, 18, 21, 24, 25, 282026-07-06
DexaminingUSPTO252026-05-28
FIGHT! BLUE DEVILS, FIGHT!examiningUSPTO252026-05-28
DEAR OLD DUKEallowedUSPTO252026-05-01
FIGHT BLUE DEVILS FIGHTallowedUSPTO252026-05-01
FIGHT, FIGHT BLUE DEVILSpending oppositionUSPTO252026-05-01
FAQ

About Duke University's trademarks

How many trademarks does Duke University own?

Duke University owns 126 unique trademarks across the registers Signa tracks.

How many of Duke University's trademarks are registered?

77 of Duke University's unique marks are registered.

Where does Duke University file the most trademarks?

Duke University holds the most marks at the USPTO, with 106 unique marks.

API

Get this data via the API

Every number on this page comes from the Signa API. Pull Duke University's portfolio into your own product with one request.

  • GET/v1/entities/{id}/analytics

    Portfolio, disputes and ownership changes

  • GET/v1/entities/{id}

    Company record, ticker, LEI and owner names

  • GET/v1/entities/{id}/trademarks

    Every trademark in the portfolio

Get API keyView docs
GET /v1/entities/{id}/analytics
ID=ent_019ebbaa-b7cb-72dc-b3e8-72aa033a3967
curl https://api.signa.so/v1/entities/$ID/analytics \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "object": "analytics_report",
  "subject": {
    "id": "ent_019ebbaa-b7cb-72dc-b3e8-72aa033a3967",
    "object": "entity",
    "name": "DUKE UNIVERSITY"
  },
  "portfolio": {
    "mark_count": 126,
    "active_count": 97,
    "jurisdiction_spread": {
      "US": 106,
      "AU": 10,
      "WO": 6
    }
  }
}