EXAGEN
Live / Registered — Registered and renewed (as of 15 Mar 2026)
What this means for you
Registered since 19 Jan 2016. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 19 Jan 2026).
Record
- Serial number
- 86666780
- Registration number
- 4889463
- Mark type
- Stylized text
- Filed
- 18 Jun 2015
- Published for opposition
- 03 Nov 2015
- Registered
- 19 Jan 2016
- Next maintenance due
- 19 Jan 2026
- Attorney of record
- Karen Won
Goods and services
- Class 042 — Scientific and technological services: Medical and clinical scientific laboratory services used by medical professionals for autoimmune rheumatic disease and autoimmune connective tissue disease diagnosis, disease stratification, prognosis, therapy selection and therapy monitoring; medical laboratory services for detecting, providing prognosis and monitoring autoimmune rheumatic disease and autoimmune connective tissue disease in patients
Owner
- EXAGEN INC., Vista, CA, US
- Exagen Diagnostics, Inc., Vista, CA, US
- Exagen Diagnostics, Inc., Albuquerque, NM, US
- Exagen Diagnostics, Inc., Albuquerque, NM, US
Prosecution history
- 15 Mar 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 15 Mar 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 15 Mar 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 15 Mar 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 23 Dec 2025 — TEAS SECTION 8 & 9 RECEIVED
- 19 Jan 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 25 Jul 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 25 Jul 2021 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 24 Jul 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 18 Mar 2021 — TEAS SECTION 8 & 15 RECEIVED
- 19 Jan 2021 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 09 Jun 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 09 Jun 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 09 Jun 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 09 Jun 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED