obvious to tryThe validity of a patent can be challenged by attempting to show that what the inventor did would have been obvious to try based on the prior art, and…
ObviousnessA characteristic that makes an invention predicable to a person having ordinary skill in the art who has knowledge of all of the prior art.
Offer to SellAn activity that can bar obtaining a patent in some jurisdictions if the activity occurs a sufficient period of time before a patent application on the…
Officein the context of actions or activities involving the USPTO this refers to the United States Patent and Trademark Office (USPTO) itself
office actiona letter from a trademark examining attorney setting forth the legal status of a trademark application.
Official GazetteA publication of the USPTO in which new patents and trademarks are announced. Published weekly in two editions, one for patents and one for trademarks.
OGOfficial Gazette - weekly publication of the USPTO that includes regular and special notices of the Office
OG - PatentsOfficial Gazette eOG:P - weekly publication of the USPTO that permits you to browse issued patents and view important notices
OG - TrademarksOfficial Gazette eOG:T - weekly publication of the USPTO that includes marks that have been published for opposition.
Old ApplicationAn application that, having been acted on by an Examiner, has, in turn, been acted on by the applicant. MPEP 203.03.
OLIA (superceded)Office for Legislative and International Affairs - currently known as Administrator for External Affairs, comprised of Office of International Relations…
OMBOffice of Management and Budget, a branch of The Executive Office of the President -- see OMB for more
One-Year Grace PeriodThe one-year period that starts on the date that an invention is used publicly, offered for sale, patented or published anywhere in the world during which…
Open for Public InspectionThe date upon which a patent application is first made available to the public.
Opinion, PatentabilityAn opinion offered by a patent agent or a patent attorney as to whether a claimed invention is likely to be deemed patentable by a patent office in view…
Opinion, ValidityAn opinion offered by a patent agent or a patent attorney as to whether the claims of an issued patent would likely be upheld by a court in view of the…
OPMOffice of Personnel Management - an agency of the U. S. Government
OppositionA procedure available in most countries (but not the U.S.) whereby a third party may request that a patent not issue or that an issued patent be…
opposition proceedinga proceeding before the Trademark Trial and Appeal Board in which the plaintiff seeks to prevent the issuance of a registration of a mark.
OPRFormerly, Office of Public Records; now known as Public Records Division (PRD)
ordinary skill in the artThe level of technical knowledge, experience, and expertise possessed by the run-of-the-mill or ordinary engineer, scientist, or designer in the…
Original Application"Original" is used in the patent statute and rules to refer to an application which is not a reissue application.
original filing basisthe basis set forth in the application as initially filed -- see filing basis