Trademarks
KEMPHARM INC
- Serial number
- 87980858
- Registration number
- 5789428
- Filed
- 2018-02-15
- Registered
- 2019-06-25
- Status
- Registration cancelled 2026-01-09 (USPTO status code 710, 2026-01-09; as of the dataset)
- Classes
- 005, 042
- Elsewhere
- USPTO TSDR record (current status) ↗
- Source
- TRTDXFAP, file of 2026-02-04
Goods and services
Pharmaceutical preparations for the treatment of pain | Drug discovery services; Medical research; Research and development in the field of drug discovery
Owners
| Owner | Role | Entity | Place | Also on furp.org | Source |
|---|---|---|---|---|---|
| KemPharm, Inc. | Original applicant | Corporation | Coralville, IA | TRTDXFAP, file of 2026-02-04 | |
| KemPharm, Inc. | Owner at publication, Original registrant | Corporation | Celebration, FL | KEMPHARM, INC Form D issuer EXACT high confidence: identical full name and state | TRTDXFAP, file of 2026-02-04 |
| ZEVRA THERAPEUTICS, INC. | New owner after registration | Corporation | CELEBRATION, FL | ZEVRA THERAPEUTICS, INC. State business registration EXACT high confidence: identical full name and state ZEVRA THERAPEUTICS, INC. SEC filer EXACT medium confidence: identical full name, one of each nationally | TRTDXFAP, file of 2026-02-04 |
Assignment history
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-03-13 | Release Release of security interest | ALTER DOMUS (US) LLC | ZEVRA THERAPEUTICS, INC. CELEBRATION, FL | 9199/533 | TRTDXFAG, file of 2026-05-27 |
| 2024-04-08 | Security interest Security interest | ZEVRA THERAPEUTICS, INC. | ALTER DOMUS (US) LLC CHICAGO, IL | 8392/391 | TRASECO, file of 2026-09-29 |
| 2023-11-15 | Name change Change of name | KEMPHARM, INC. | ZEVRA THERAPEUTICS, INC. CELEBRATION, FL | 8258/758 | TRASECO, file of 2026-09-29 |
USPTO bulk data: the Trademark Case Files Dataset (TRCFECO2; the latest release, March 2024, runs through 2023) for marks, owners, classes and goods and services; the Trademark Assignment Dataset (TRASECO) for assignments. Marks filed in the last 20 years, plus older marks still registered. Status here is read from the dataset’s dates and status code; TSDR has the current status. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.