Patent Agent Exam key terms

The requirement that a claimed invention was not previously disclosed in a single prior art reference or public use before the critical date, evaluated claim element by claim element.

A rejection or invalidity finding in which one prior art reference discloses every element and limitation of a claim, arranged as claimed, so the claim lacks novelty.

The conclusion that a claimed invention would have been obvious to a person of ordinary skill in the art at the time of invention, based on one or more references, the knowledge of skilled artisans, and objective evidence.

Information legally available to be used against a claim, such as patents, printed publications, public uses, sales, or other disclosures that predate the relevant date under the governing statute.

The date that divides prior art from non-prior art for a given claim, usually the effective filing date or the invention date depending on the statute and whether the application predates the change to first-inventor-to-file.

The earliest filing date to which a claim is entitled, including the benefit of a provisional, foreign priority, or earlier-filed related application, provided the earlier disclosure supports the claim.

A one-year window before the effective filing date during which an inventor's own disclosure, or a disclosure derived from the inventor, does not count as prior art against the inventor's application.

The taking of an invention from another person and filing an application on it without authorization; a derived disclosure may be disqualified as prior art or may support a derivation proceeding.

A hypothetical artisan with the education, experience, and knowledge typical for the relevant field at the relevant time, used to judge obviousness, enablement, and claim interpretation.

An analytical framework for combining references, asking whether the prior art, the nature of the problem, or the knowledge of skilled artisans supplied a reason to combine the teachings with a reasonable expectation of success.

Objective evidence bearing on obviousness, such as commercial success, long-felt but unmet need, failure of others, copying, unexpected results, and praise, which must be considered and weighed with the prior art.

The connection between objective evidence and the claimed invention, required for commercial success or praise to carry weight; evidence must result from the invention rather than from unrelated market or design factors.

The doctrine that a prior art reference discloses a limitation even if unstated, when the limitation necessarily results from the reference's disclosed structure or method and would be recognized by a skilled artisan.

The statutory requirement that the specification clearly convey that the inventor possessed the claimed invention as of the filing date, assessed from the perspective of a skilled artisan reading the original disclosure.

The requirement that the specification describe how to make and use the claimed invention without undue experimentation, considering factors such as the breadth of the claims and the predictability of the art.

The standard for judging whether a disclosure is enabling; courts weigh factors such as the quantity of experimentation, guidance provided, predictability, and the scope of the claims.

The requirement that the inventor disclose the best way known at filing to practice the invention; failure to do so is a defense in litigation but is not examined for compliance during prosecution.

Content added to an application after filing that was not supported by the original disclosure; such additions are prohibited and may undermine priority or validity.

The process of determining the meaning and scope of claim terms as a skilled artisan would understand them in light of the specification and prosecution history, applied before infringement or validity is decided.

The patent claims, specification, and prosecution history, which are the primary sources for construing claims; extrinsic evidence such as dictionaries or expert testimony is secondary and cannot contradict intrinsic evidence.

A claim format stating a function to be performed rather than structure, construed to cover the structures disclosed in the specification and equivalents, and requiring corresponding structure in the disclosure to avoid indefiniteness.

A claim defect in which the language, viewed in light of the specification and prosecution history, does not inform a skilled artisan with reasonable certainty about the scope of the invention.

The convention that a claim limitation introduced with 'a' or 'an' should be referred to later with 'the' or 'said' so that each term has a clear referent and the claim is not indefinite.

A claim that stands alone and does not refer to or incorporate any other claim, defining the invention without the added limitations of a parent claim.

A claim that incorporates all limitations of an earlier claim and adds further limitations, thereby being narrower in scope and generally inheriting the parent claim's validity and priority.

A dependent claim that refers to more than one claim, which may be included but may not serve as a basis for another multiple dependent claim and requires payment of additional claim fees.

A written communication from the examiner setting forth the examination status of the application, including rejections, objections, reasons, and any requirements for response within a set period.

An office action closing prosecution on the merits, after which the applicant may respond by amendment that places the case in condition for allowance, request an advisory action, appeal, or file a continuing application.

A filing that reopens prosecution after a final rejection or allowance, requiring a fee and an information disclosure statement if new prior art is known, and permitting further amendment and examination.

A proceeding before the Patent Trial and Appeal Board in which an applicant contests an examiner's adverse rejection after prosecution has been closed.

A submission listing patents, publications, and other information known to the applicant that may be material to patentability, filed so the examiner can consider it and avoid inequitable conduct concerns.

The obligation of each individual associated with the application, including inventors and practitioners, to disclose to the USPTO all material information known to them that bears on patentability.

A defense in litigation arising from an applicant's failure to disclose material information with intent to deceive the USPTO, which can render the entire patent unenforceable.

A doctrine limiting the doctrine of equivalents based on amendments or arguments made during prosecution that surrendered claim scope, preventing the patentee from recapturing that surrendered subject matter.

The categories of invention eligible for patent protection, such as processes, machines, manufactures, and compositions of matter, excluding laws of nature, natural phenomena, and abstract ideas as claimed.

The requirement that the claimed invention have a specific, substantial, and credible use, a low threshold that is rarely a barrier except for certain chemical or biological inventions.

A statement in an application claiming the benefit of an earlier filing date in the United States or a foreign country, effective only for claims supported by the earlier disclosure.

A later application filed while an earlier application is pending that claims the earlier filing date and shares the same disclosure, including continuation, divisional, and continuation-in-part applications.

An adversarial trial before the Patent Trial and Appeal Board challenging patentability on grounds of patents or printed publications, available after a statutory waiting period and subject to estoppel.