EASTExaminer Automated Search Tools - a system used by patent examiners within the USPTO
EBCElectronic Business Center - includes links to Patents EBC and Trademarks EBC a web page containing hyperlinks to all online systems for conducting…
ElectionThe choice by the applicant of the invention to be prosecuted and, hence, the claims to be examined. MPEP 818, MPEP 809.02(a), MPEP 809.02(b), MPEP 818.
election (PCT)an indication made by applicant, in the Demand for an International Application filed under the Patent Cooperation Treaty, as to the Contracting States in…
electronic file wrappera system that provides a way to access electronic copies of the correspondence, documents and other pertinent records used in considering a particular case
element(EH-leh-ment) A basic part of a whole. In chemistry, refers to a simple substance that cannot be broken down into smaller parts or changed into another…
Element of ClaimA (usually indented) portion of the body of a patent claim that describes a feature of an invention and that interrelates the feature with the other…
Embodimenta manner in which an invention can be made, used, practiced or expressed
EnablementSupport within a disclosure of a claimed invention. Enablement occurs when a person skilled in th art to which the invention pertains is taught how to…
enforceability of patentthe right of the patent owner to bring an infringement suit against a party who, without permission, makes, uses or sells the claimed invention.
EOElected Office - the national Office or intergovernmental organization of or acting for the Contracting State elected by the applicant under Chapter II of…
ePASElectronic Patent Assignment System -- see ePAS
EquivalentEqual under patent law. MPEP 904.01(b), MPEP 2144.06, MPEP 2183.
equivalents - means-plus-function claimsRather than expressly reciting a component or feature in a patent claim, one may recite a feature as a means for accomplishing something such as "seal…
equivalents - reverse doctrine ofThis concept is used infrequently. It refers to situations where one might literally infringe a patent claim, but due to the interpretation of the claim…
ESDExamination Support Document -- see Guidelines for Examination Support Document (ESD) under § 1.265 [PDF]
ESTTAElectronic System for Trademark Trials and Appeals
eTASElectronic Trademark Assignment System -- see eTAS
European Patent ConventionAn agreement among Eurpoean nations that establishes a regional, European patent system.
Ex ParteAn action (a conversation orally or in writing, a ruling, or a hearing) done without all parties being notified in advance or without their presence.
ex parte reexamination-- see reexamination proceeding If the request for ex parte reexamination is filed by a third party and not the patent owner, the third party may not…
ExaminationReview of a patent application to determine if a claimed invention is patentable. MPEP Introduction.
examination copya copy of an international application filed under the Patent Cooperation Treaty maintained by the International Preliminary Examining Authority.
examinerAn official of a patent office charged with determining the patentability of inventions claimed in patent applications.
Examiner's ActionA written communication from a patent Examiner that contains requirements and/or documents the reasons behind the Examiner's patentability decisions and…
examiner's amendmenta written confirmation of an amendment made to a trademark application. The trademark examining attorney assigned to the application will make the…
examining attorneya USPTO employee who examines (reviews and determines compliance with the legal and regulatory requirements of) an application for registration of a…
ExampleAn example of one embodiment (implementation) of an invention. If the example is an actual ("working") example, i.e.
exceptional caseIn order to seek an attorneys' fees award as part of the relief granted to the prevailing party in patent litigation, it is necessary to show that the…
exclusive licenseThis is an agreement granting to one party exclusive rights under an issued patent, with the licensor giving up by the terms of the license the right to…
excusable nonuse-- see Section 8 Declaration of Excusable Nonuse
ExecuteTo complete; to sign; to carry out according to its terms.
ExhibitA document or other item introduced as evidence during a trial or hearing.
Experimental UseA public use of the invention that having the primary purpose is of testing of the invention. Experimental use is allowed in the U.S.
expiredTrademark registration is no longer active. The registrant failed to renew the trademark registration at the end of the registration period.
Expiry DateThe date when a patent has run its full term and the invention is no longer protected by it.
express abandonmentA patent application may be expressly abandoned by filing a written declaration of abandonment identifying the application in the United States Patent and…
express mail mailing labelpatent correspondence delivered to the USPTO via the "Express Mail Post Office to Addressee" service of the United States Postal Service (USPS) which is…
Extension of TimeAn extension of the "period for reponse" stipulated in an Office action. MPEP 710.02(e).
extension request-- see Request for Extension of Time to File a Statement of Use