USPTO trademark record

DIFICID

Live registered mark · Owner Optimer Pharmaceuticals · Classes 5

Mark details

Owner: Optimer Pharmaceuticals
Serial number: 77523422
Registration number: 4035329
Status: REGISTERED AND RENEWED
Classes: 5 (Pharmaceuticals)
Filed: 2008-07-16
Registered: 2011-10-04
Goods / services: Medicines for human purposes, namely, anti-infective drugs

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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