TANDEM THEORY
Live / Registered — Registered and renewed (as of 05 May 2026)
What this means for you
Registered since 01 Sept 2015. 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 01 Sept 2035: the §8 & §9 renewal).
Record
- Serial number
- 86286708
- Registration number
- 4802035
- Mark type
- Word mark
- Filed
- 20 May 2014
- Published for opposition
- 16 Jun 2015
- Registered
- 01 Sept 2015
- Current term from
- 01 Sept 2025
- Next maintenance filing
- §8 & §9 renewal, due by 01 Sept 2035 (grace period to 01 Mar 2036)
- Attorney of record
- Richard G. Eldredge
Goods and services
- Class 035 — Advertising and business services: marketing services and marketing analysis
- Class 042 — Scientific and technological services: Providing technology consulting in the field of social media
Owner
- Tandem Theory, LLC, Dallas, TX, US
- Tandem Theory, LLC, Frisco, TX, US
- Tandem Theory, LLC, Frisco, TX, US
Prosecution history
- 05 May 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 05 May 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 05 May 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 04 May 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 02 Mar 2026 — TEAS SECTION 8 & 9 RECEIVED
- 19 Aug 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 19 Aug 2025 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 19 Aug 2025 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 01 Sept 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 23 May 2024 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 23 May 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 23 May 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 23 May 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 05 Nov 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 05 Nov 2021 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.