Wellmark International
66 live US trademarks, filing since 1962.
Marks held on the register, by filing date. 2026 is year to date.
A multi-class mark counts once per class. Rank shown where the owner is in the class's top 50.
What Wellmark International filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| DUPLEX-G | 5 | Mar 25, 2025 | — | registered Jan 6 | 99102388 |
| CLEARLEAF | 1 | Oct 30, 2023 | — | opposition | 98246246 |
| CLEAR LEAF | 1 | Oct 30, 2023 | — | registered Nov 26 | 98246320 |
| FORMITROL | 5 | Sep 29, 2023 | — | registered Jan 21 | 98204074 |
| DUOVEX | 5 | Apr 5, 2023 | intent to use | published | 97874637 |
| ECOSTRIKE | 5 | Feb 17, 2023 | — | published | 97799162 |
| AVIATOR | 5 | Jan 18, 2023 | — | registered Aug 5 | 97759534 |
| EXHALT WDG | 5 | Dec 27, 2022 | — | registered Mar 26 | 97732336 |
| DURASTRIKE | 5 | Nov 18, 2021 | — | registered Nov 1 | 97132499 |
| STARBAR RED-VIVAL | 5 | Jan 26, 2021 | — | registered Feb 14 | 90488968 |
Registration starts the maintenance clock: a Section 8 declaration is due between years 5 and 6.
A filing missed by the due date enters a six-month grace period, then the registration cancels.
About Wellmark International trademarks.
How many trademarks does Wellmark International have?
66 live US trademarks as of October 23, 2026: 63 registered and 3 pending applications. None have been filed in 2026 so far.
What does Wellmark International sell, according to its trademarks?
Mostly pharmaceuticals (Class 5, 60 live marks). Also chemicals (Class 1) and medical & beauty services (Class 44).
Who owns the STRIKE trademark?
STRIKE is owned by Wellmark International. It was registered on July 30, 1963 (Reg. No. 0753566) and is live. The same owner holds 65 other live US marks.
When did Wellmark International first file a trademark?
Its oldest live US filing dates from 1962: STRIKE, filed May 28, 1962.
Know the morning after Wellmark International files.
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Data: USPTO trademark bulk files, processed nightly by Thorgate. Last rebuilt October 23, 2026. Counts cover the US federal register only, not state or foreign marks. Owner names are shown as recorded by the USPTO. This page reports public-record facts and dates and is not legal advice. For the official record of any mark, follow its serial number to USPTO TSDR.