BLACKSTAR
Live / Registered — Registered and renewed (as of 25 Oct 2016)
What this means for you
Registered since 15 Aug 2006. 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 (the §8 & §9 renewal was due 15 Aug 2026; it can still be filed, with a surcharge, until 15 Feb 2027).
Record
- Serial number
- 76351887
- Registration number
- 3130199
- Mark type
- Word mark
- Filed
- 20 Dec 2001
- Published for opposition
- 17 May 2005
- Registered
- 15 Aug 2006
- Current term from
- 15 Aug 2016
- Next maintenance filing
- §8 & §9 renewal, due by 15 Aug 2026 (grace period to 15 Feb 2027)
- Attorney of record
- Matthew R. Moscicki
Goods and services
- Class 009 — Scientific and electric apparatus: downhole well drilling tools, namely electromagnetic measurement-while-drilling tools
Owner
- GRANT PRIDECO, INC., HOUSTON, TX, US
- NOV NORTH AMERICA I/P, LLC, HOUSTON, TX, US
- NATIONAL OILWELL VARCO, L.P., HOUSTON, TX, US
- NQL ENERGY SERVICES INC., Nisku, Alberta, CA
- NQL ENERGY SERVICES INC., Nisku, Alberta, CA
- NQL Drilling Tools, Inc., Nisku, Alberta, CA
Prosecution history
- 21 Aug 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 21 Aug 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 21 Aug 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 21 Aug 2026 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 21 Aug 2026 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 15 Aug 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 24 Jan 2024 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 14 Jun 2023 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 14 Jun 2023 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 14 Jun 2023 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 14 Jun 2023 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 14 Jun 2023 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 29 Mar 2019 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 29 Mar 2019 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 25 Oct 2016 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED