MERCK & CO., INC.
Trademark enforcement profile · on record 1969–2017
MERCK & CO., INC. has filed federal trademark or copyright enforcement actions. On record (1969–2017): 7 federal trademark or copyright lawsuits; 92 oppositions and cancellation petitions at the USPTO Trademark Trial and Appeal Board (prevailed in 82% of merits decisions).
Data summary based on public records (USPTO TTAB proceedings and PACER/CourtListener federal court dockets). Figures reflect filings on record, not a characterization of the merits or good faith of any individual action. Not legal advice.
Selling anything that might resemble their marks?
Check your design against MERCK & CO., INC.'s registered marks — and 13M+ others — before you list.
Check your design freeFree trial · no card · 3 checks that never expire
Federal court filings
At the Trademark Trial and Appeal Board (TTAB)
Prevailed in 82% of proceedings the Board actually decided on the merits (settled and withdrawn proceedings excluded from this calculation).
Designs MERCK & CO., INC. has opposed
Real trademark applications MERCK & CO., INC. challenged at the USPTO — the kind of design that draws an opposition. If your artwork looks like one of these, expect pushback. Each links to its USPTO docket.
Source: USPTO Trademark Trial and Appeal Board records. “Prevailed” means MERCK & CO., INC. got the outcome it sought; settled/withdrawn cases ended without a Board ruling on the merits. Images from public USPTO records.
Marks MERCK & CO., INC. has asserted in proceedings
| Mark | Serial | Proceedings | Won / lost |
|---|---|---|---|
| MEVACORtext | 73574522 | 13 | 5 / 1 |
| ZOCORtext | 73645564 | 12 | 9 / 1 |
| SINGULAIRtext | 74589438 | 11 | 6 / 1 |
| NOROXINtext | 73459084 | 4 | 3 / 0 |
| MAXALTtext | 75044802 | 3 | 2 / 0 |
| MERCK | 71089989 | 3 | 3 / 0 |
| RESPIHALERtext | 72139119 | 3 | 2 / 0 |
| PNEUMOVAXtext | 73046686 | 3 | 2 / 1 |
| PRIMAXINtext | 73446124 | 3 | 1 / 0 |
| SINEMETtext | 72466217 | 3 | 2 / 0 |
| MERCKtext | 75204592 | 3 | 2 / 0 |
| AGRI-MEKtext | 73724536 | 2 | 0 / 1 |
| AGGRASTATtext | 74660332 | 2 | 1 / 0 |
| SOLSENSIAtext | 76335376 | 2 | 0 / 1 |
| CURATREMtext | 73434184 | 2 | 0 / 0 |
| TIMOPTICtext | 73148997 | 2 | 2 / 0 |
| CLINORILtext | 73073054 | 1 | 0 / 0 |
| (design-only mark) | 73594073 | 1 | 0 / 1 |
| CALGUARDtext | 73170753 | 1 | 1 / 0 |
| PRO-PENtext | 71636724 | 1 | 1 / 0 |
| ESTERGELtext | 73016106 | 1 | 1 / 0 |
| DOLOBIDtext | 73136588 | 1 | 0 / 0 |
| ULTRAMINE | 73576615 | 1 | 1 / 0 |
| ARAMINEtext | 71439838 | 1 | 0 / 0 |
| HEARTGARD | 73592376 | 1 | 1 / 0 |
| PRINZIDEtext | 73642959 | 1 | 1 / 0 |
| ALDOMETtext | 72106926 | 1 | 0 / 1 |
| MIDAMORtext | 72387474 | 1 | 1 / 0 |
| COMVAXtext | 74588344 | 1 | 1 / 0 |
| BILLY MCHALE'Stext | 75209524 | 1 | 1 / 0 |
| VASOTECtext | 73465852 | 1 | 0 / 0 |
| JANUMETtext | 78773912 | 1 | 1 / 0 |
| JANUMET | 78934999 | 1 | 1 / 0 |
| WEAVER TRIPLE POST LIFTtext | 72000114 | 1 | 0 / 1 |
| HYDROCORTONEtext | 71612027 | 1 | 1 / 0 |
| KLENZYMEtext | 73682847 | 1 | 0 / 0 |
| MEFOXINtext | 73026861 | 1 | 1 / 0 |
| MSD | 72350594 | 1 | 1 / 0 |
| CHIBROXINtext | 74068430 | 1 | 0 / 1 |
| CANESORBtext | 73285083 | 1 | 0 / 1 |
From public USPTO records. A mark is listed when it appears as a senior asserted mark in TTAB or federal-court proceedings on file. Serial links open the USPTO TSDR record.
Selling a design that may resemble MERCK & CO., INC.’s registered marks?
Run a visual similarity check against MERCK & CO., INC.’s registered marks — and 13M+ other USPTO trademark images — before you list. Takes about 10 seconds.
Run a free visual checkFAQ
Data sources: publicly published USPTO Trademark Trial and Appeal Board proceedings (1951–2026, with possible gaps before electronic filing) and U.S. federal court dockets (PACER/CourtListener, nature-of-suit codes 840 and 820). Figures reflect filings on record and do not characterize the merits, validity, or legitimacy of any individual action by MERCK & CO., INC.. Trademark holders have legal rights — and in some doctrines, an obligation — to enforce registered marks. This page does not provide legal advice; consult licensed counsel for case-specific questions. See the full leaderboard.