PRINCIPIA
Live / Registered — Registered and renewed (as of 23 Sept 2026)
What this means for you
Registered since 24 Apr 2007. 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 24 Apr 2037: the §8 & §9 renewal).
Record
- Serial number
- 78656102
- Registration number
- 3234979
- Mark type
- Word mark
- Filed
- 22 Jun 2005
- Published for opposition
- 14 Mar 2006
- Registered
- 24 Apr 2007
- Renewed
- new term from 24 Apr 2027
- Next maintenance filing
- §8 & §9 renewal, due by 24 Apr 2037 (grace period to 24 Oct 2037)
- Attorney of record
- Jamie L Dupree
Goods and services
- Class 042 — Scientific and technological services: Consulting services in the field of engineering and failure analysis; technology consulting in the field of mechanical engineering, aerospace engineering, electrical and electromechanical engineering, structural engineering, and biomedical engineering; explosion and fire analysis services
Owner
- PRINCIPIA ENGINEERING, INC., Pleasant Hill, CA, US
- Principia LLC, San Francisco, CA, US
- Principia LLC, San Francisco, CA, US
- Principia LLC, San Francisco, CA, US
Prosecution history
- 23 Sept 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 23 Sept 2026 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
- 23 Sept 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 21 Sept 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 21 Jul 2026 — TEAS SECTION 8 & 9 RECEIVED
- 24 Apr 2026 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 19 Sept 2017 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 07 Jun 2017 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 07 Jun 2017 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 07 Jun 2017 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 07 Jun 2017 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 12 Apr 2017 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 10 Apr 2017 — TEAS SECTION 8 & 9 RECEIVED
- 24 Apr 2016 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 05 Apr 2013 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED