USPTO trademark record

COSOPT

Live registered mark · Owner MERCK & CO., Inc. · Classes 5

Mark details

Owner: MERCK & CO., Inc.
Serial number: 74714427
Registration number: 2173319
Status: REGISTERED AND RENEWED
Classes: 5 (Pharmaceuticals)
Filed: 1995-08-11
Registered: 1998-07-14
Goods / services: ophthalmic preparations

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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