The Book of Jargon®Patent Trial & Appeal Board

An interactive glossary of acronyms, slang, and industry terminology.

The Book of Jargon® – Patent Trial & Appeal Board is one in a series of practice area and industry-specific glossaries published by Latham & Watkins.

The definitions provide an introduction to each term and may raise complex legal issues on which specific legal advice is required. The terms are also subject to change as applicable laws and customary practice evolve.

Search for terms by:  

  • Using the text search box 
  • Browsing by letter of the alphabet

The information contained herein is not legal advice and should not be construed as such.

Download in the App Store and Google Play. Download the PDF.

Additional Discovery,Administrative Patent Judge (APJ),Amendment(s),America Invents Act/Leahy-Smith America Invents Act (AIA),Anticipation,Appeal, Right of,Asserted Patent,Board of Patent Appeals and Interferences (BPAI),Broadest Reasonable Interpretation (BRI),Burden of Proof,Central Reexamination Unit (CRU),Certificate,Charged with Infringement,Claim Amendment(s),Claim Chart,Claim Construction,Consolidation,Counsel, Back-up,Counsel, Lead,Covered Business Method (CBM Review),Declaration,Declaratory Judgment,Default Protective Order,Demonstrative/Demonstrative Exhibit,Derivation Proceeding (DER),Disclaimer,Discovery,Enablement,Estoppel,Estoppel, Scope of,Evidence,Ex Parte Reexamination,Examination,Exhibit,Exhibit List,Exhibit Number,Expert Declaration/Report,Federal Circuit/Court of Appeals for the Federal Circuit,Federal Rules of Civil Procedure,Federal Rules of Evidence,Filing Date (for a Petition),Filing Fee,Filing Times,Final Written Decision,Garmin Factors,Graham Factors,Horizontal Redundancy,Indefiniteness,Informative Opinion,Institution,Institution Decision,Institution Standard,Inter Partes Reexamination,Inter Partes Review (IPR),Interference Proceeding,Interpreter,Intervening Rights,Invalidity, Standard of Proof,Joinder,Joint Petitioners,Judgment,Line Spacing,Mandatory Initial Disclosures,Mandatory Notices,Margins,Motion,Motion Filing Schedule,Motion for Observation on Cross-Examination,Motion to Amend,Motion to Exclude Evidence,Motion to Expunge Confidential Information,Motion to Seal,Motion to Strike,Motion to Terminate,Motivation to Combine,Novelty,Objection(s), Timing of,Obviousness,Offer for Sale,Office Patent Trial Practice Guide,One Year Bar/Statutory Bar,Opposition to a Motion,Ordinary and Customary Meaning,Page Limits,Patent and Trademark Office (USPTO or PTO),Patent Owner,Patent Owner Preliminary Response (POPR),Patent Owner Response (POR),Patent Prosecution,Patent Trial and Appeal Board (PTAB),Patentable Subject Matter,Pendency,Pending Civil Action,Petition,Petition, Content of,Petition, Formatting of,Petitioner,Phillips Standard,Plain Meaning,Post Grant Review (PGR),Power of Attorney,Precedential Opinion,Preliminary Proceeding,Preponderance of the Evidence,Primary Reference,Printed Publication,Prior Sale,Prior Use,Priority,Privy,Pro Hac Vice,Proposed Protective Order,Protective Order,PTAB Proceeding,Real Party-in-Interest,Reasonable Likelihood Standard,Redundant Grounds of Unpatentability,Related Matters,Reply,Request for Adverse Judgment,Request for Reconsideration,Request for Rehearing,Routine Discovery,Sale,Scheduling Order,Secondary Considerations,Secondary Reference,Settlement,Spacing,Speak with a Single Voice,Standard of Proof,Stay of Litigation,Substitute Claim,Sufficiently Final,Supplemental Information,Technological Invention,Trial,Unified Case,Validity,Validity, Standard of Proof,Written Description,Board,Clear and Convincing Evidence/Clear and Convincing Standard,Deposition,Designation of Opinions,Decorum,Evidentiary Standard,Financial Product or Service,First to File (FTF),First to Invent (FTI),Font,Grounds of Unpatentability,Invalidity, Patentability,Patentability,Petitioner Reply to Preliminary Response,Preliminary Response,Representative Opinions,Routine Opinion,Rules,Rule 11-Type Certification,Supplemental Evidence,Translation,Word Counts / Page Limits