If there is evidence of public use or sale activity more than one year prior to the effective filing date of the claimed invention, a rejection should be made under pre-AIA 35 U.S.C. 102(b), which results in a statutory bar to obtaining a patent, rather than under pre-AIA 35 U.S.C. 102(a). Note that mere knowledge of the invention by the public does not warrant rejection under pre-AIA 35 U.S.C. 102(b), although public knowledge may provide grounds for rejection under pre-AIA 35 U.S.C. 102(a). See MPEP §§ 2132 and 2133.03(a).

If the publication or issue date of the reference is too recent for pre-AIA 35 U.S.C. 102(b) to apply, then the examiner should consider pre-AIA 35 U.S.C. 102(e).

In order to apply a reference under pre-AIA 35 U.S.C. 102(e), the inventive entity of the application must be different from that of the reference. Note that, where there are joint inventors, only one joint inventor needs to be different for the inventive entities to be different and a rejection under pre-AIA 35 U.S.C. 102(e) is applicable even if there are some joint inventors in common between the application and the reference.

In order to apply a reference under pre-AIA 35 U.S.C. 102(e), the inventive entity of the application must be different from that of the reference. Note that, where there are joint inventors, only one joint inventor needs to be different for the inventive entities to be different and a rejection under pre-AIA 35 U.S.C. 102(e) is applicable even if there are some joint inventors in common between the application and the reference.

Pre-AIA 35 U.S.C. 102(e) has two separate clauses, namely, pre-AIA 35 U.S.C. 102(e)(1) for publications of patent applications and pre-AIA 35 U.S.C. 102(e)(2) for U.S. patents. Pre-AIA 35 U.S.C. 102(e)(1), in combination with pre-AIA 35 U.S.C. 374, created a new category of prior art by providing prior art effect for certain publications of patent applications, including certain international applications, as of their effectively filed dates in the United States (which include certain international filing dates). Under pre-AIA 35 U.S.C. 102(e), an international filing date which is on or after November 29, 2000 is the United States filing date if the international application designated the United States and was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. Therefore, the prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date (if all three conditions noted above are met) or an earlier U.S. filing date for which priority or benefit is properly claimed.

First, the examiner should consider whether the reference qualifies as prior art under pre-AIA 35 U.S.C. 102(b) because this section results in a statutory bar to obtaining a patent. If the publication or issue date of the reference is more than 1 year prior to the effective filing date of the claimed invention (MPEP § 2139.01), the reference qualifies as prior art under pre-AIA 35 U.S.C. 102(b).

Even if the reference is prior art under pre-AIA 35 U.S.C. 102(e), the examiner should still consider pre-AIA 35 U.S.C. 102(a) for two reasons. First, if the reference is a U.S. patent or patent application publication of, or claims benefit of, an international application, the publication of the international application under PCT Article 21(2) may be the earliest prior art date under pre-AIA 35 U.S.C. 102(a) for the disclosure. Second, references that are only prior art under pre-AIA 35 U.S.C. 102(e), (f), or (g) and applied in a rejection under pre-AIA 35 U.S.C. 103(a) are subject to being disqualified under pre-AIA 35 U.S.C. 103(c) if the reference and the application were commonly owned, or subject to an obligation of common assignment, at the time the invention was made. For pre-AIA 35 U.S.C. 102(a) to apply, the reference must have a publication date earlier in time than the effective filing date of the claimed invention in the application under examination, and must not be the inventor or at least one joint inventor's own work.

If the claimed invention is the subject of activity by an entity other than the inventor, such as sale by another, manufacture by another or disclosure of the invention by at least one joint inventor to another entity then both pre-AIA 35 U.S.C. 102(a) and (b) may be applicable. If the evidence only points to knowledge within the year prior to the effective filing date then pre-AIA 35 U.S.C. 102(a) applies. However, no rejection under pre-AIA 35 U.S.C. 102(a) should be made if there is evidence that applicant made the invention and only disclosed it to others within the year prior to the effective filing date.

If the claimed invention is the subject of activity by an entity other than the inventor, such as sale by another, manufacture by another or disclosure of the invention by at least one joint inventor to another entity then both pre-AIA 35 U.S.C. 102(a) and (b) may be applicable. If the evidence only points to knowledge within the year prior to the effective filing date then pre-AIA 35 U.S.C. 102(a) applies. However, no rejection under pre-AIA 35 U.S.C. 102(a) should be made if there is evidence that applicant made the invention and only disclosed it to others within the year prior to the effective filing date.

Pre-AIA 35 U.S.C. 102(e) allows the use of certain international application publications and U.S. patent application publications, and certain U.S. patents as prior art under pre-AIA 35 U.S.C. 102(e) as of their respective U.S. filing dates, including certain international filing dates. The prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date if the international filing date was on or after November 29, 2000, the international application designated the United States, and the international application was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. See MPEP § 2136 for examination guidelines on the application of pre-AIA 35 U.S.C. 102(e). References based on international applications that were filed prior to November 29, 2000 are subject to the "pre-AIPA" version of 35 U.S.C. 102(e) in force on November 28, 2000. See subsection III, below and MPEP § 2136.03 for additional information.

Pre-AIA 35 U.S.C. 102(e) allows the use of certain international application publications and U.S. patent application publications, and certain U.S. patents as prior art under pre-AIA 35 U.S.C. 102(e) as of their respective U.S. filing dates, including certain international filing dates. The prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date if the international filing date was on or after November 29, 2000, the international application designated the United States, and the international application was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. See MPEP § 2136 for examination guidelines on the application of pre-AIA 35 U.S.C. 102(e). References based on international applications that were filed prior to November 29, 2000 are subject to the "pre-AIPA" version of 35 U.S.C. 102(e) in force on November 28, 2000. See subsection III, below and MPEP § 2136.03 for additional information.

Pre-AIA 35 U.S.C. 102(e) has two separate clauses, namely, pre-AIA 35 U.S.C. 102(e)(1) for publications of patent applications and pre-AIA 35 U.S.C. 102(e)(2) for U.S. patents. Pre-AIA 35 U.S.C. 102(e)(1), in combination with pre-AIA 35 U.S.C. 374, created a new category of prior art by providing prior art effect for certain publications of patent applications, including certain international applications, as of their effectively filed dates in the United States (which include certain international filing dates). Under pre-AIA 35 U.S.C. 102(e), an international filing date which is on or after November 29, 2000 is the United States filing date if the international application designated the United States and was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. Therefore, the prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date (if all three conditions noted above are met) or an earlier U.S. filing date for which priority or benefit is properly claimed.

Even if the reference is prior art under pre-AIA 35 U.S.C. 102(e), the examiner should still consider pre-AIA 35 U.S.C. 102(a) for two reasons. First, if the reference is a U.S. patent or patent application publication of, or claims benefit of, an international application, the publication of the international application under PCT Article 21(2) may be the earliest prior art date under pre-AIA 35 U.S.C. 102(a) for the disclosure. Second, references that are only prior art under pre-AIA 35 U.S.C. 102(e), (f), or (g) and applied in a rejection under pre-AIA 35 U.S.C. 103(a) are subject to being disqualified under pre-AIA 35 U.S.C. 103(c) if the reference and the application were commonly owned, or subject to an obligation of common assignment, at the time the invention was made. For pre-AIA 35 U.S.C. 102(a) to apply, the reference must have a publication date earlier in time than the effective filing date of the claimed invention in the application under examination, and must not be the inventor or at least one joint inventor's own work.

Pre-AIA 35 U.S.C. 102(e) allows the use of certain international application publications and U.S. patent application publications, and certain U.S. patents as prior art under pre-AIA 35 U.S.C. 102(e) as of their respective U.S. filing dates, including certain international filing dates. The prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date if the international filing date was on or after November 29, 2000, the international application designated the United States, and the international application was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. See MPEP § 2136 for examination guidelines on the application of pre-AIA 35 U.S.C. 102(e). References based on international applications that were filed prior to November 29, 2000 are subject to the "pre-AIPA" version of 35 U.S.C. 102(e) in force on November 28, 2000. See subsection III, below and MPEP § 2136.03 for additional information.

Pre-AIA 35 U.S.C. 102(e) has two separate clauses, namely, pre-AIA 35 U.S.C. 102(e)(1) for publications of patent applications and pre-AIA 35 U.S.C. 102(e)(2) for U.S. patents. Pre-AIA 35 U.S.C. 102(e)(1), in combination with pre-AIA 35 U.S.C. 374, created a new category of prior art by providing prior art effect for certain publications of patent applications, including certain international applications, as of their effectively filed dates in the United States (which include certain international filing dates). Under pre-AIA 35 U.S.C. 102(e), an international filing date which is on or after November 29, 2000 is the United States filing date if the international application designated the United States and was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. Therefore, the prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date (if all three conditions noted above are met) or an earlier U.S. filing date for which priority or benefit is properly claimed.

Publication under PCT Article 21(2) may result from a request for early publication by an applicant of an international application or after the expiration of 18-months after the earliest claimed priority date in an international application. International applications, which: (1) were filed prior to November 29, 2000, or (2) did not designate the U.S., or (3) were not published in English under PCT Article 21(2) by WIPO, may not be used to reach back (bridge) to an earlier filing date through a priority or benefit claim for prior art purposes under pre-AIA 35 U.S.C. 102(e). An international filing date which is on or after November 29, 2000 is a United States filing date for purposes of determining the earliest effective prior art date of a patent if the international application designated the United States and was published in the English language under PCT Article 21(2) by WIPO. No international filing dates prior to November 29, 2000 may be relied upon as a prior art date under pre-AIA 35 U.S.C. 102(e).

Publication under PCT Article 21(2) may result from a request for early publication by an applicant of an international application or after the expiration of 18-months after the earliest claimed priority date in an international application. International applications, which: (1) were filed prior to November 29, 2000, or (2) did not designate the U.S., or (3) were not published in English under PCT Article 21(2) by WIPO, may not be used to reach back (bridge) to an earlier filing date through a priority or benefit claim for prior art purposes under pre-AIA 35 U.S.C. 102(e). An international filing date which is on or after November 29, 2000 is a United States filing date for purposes of determining the earliest effective prior art date of a patent if the international application designated the United States and was published in the English language under PCT Article 21(2) by WIPO. No international filing dates prior to November 29, 2000 may be relied upon as a prior art date under pre-AIA 35 U.S.C. 102(e).

Publications, patents, public uses and sales, however, will not bar a patent if the 1-year grace period otherwise ends on a Saturday, Sunday, or federal holiday and the application’s U.S. filing date is the next succeeding business day. Ex parte Olah, 131 USPQ 41 (Bd. App. 1960) and 35 U.S.C. 21(b). The provisions of 35 U.S.C. 21(b) still apply notwithstanding the provisions of 37 CFR 1.6(a)(2) and 37 CFR 1.10, which accord a filing date as of the date of deposit as Priority Mail Express ® with the U.S. Postal Service and 37 CFR 1.6(a)(4), which accords a filing date as of the date of submission using the USPTO patent electronic filing system.

Publications, patents, public uses and sales, however, will not bar a patent if the 1-year grace period otherwise ends on a Saturday, Sunday, or federal holiday and the application’s U.S. filing date is the next succeeding business day. Ex parte Olah, 131 USPQ 41 (Bd. App. 1960) and 35 U.S.C. 21(b). The provisions of 35 U.S.C. 21(b) still apply notwithstanding the provisions of 37 CFR 1.6(a)(2) and 37 CFR 1.10, which accord a filing date as of the date of deposit as Priority Mail Express ® with the U.S. Postal Service and 37 CFR 1.6(a)(4), which accords a filing date as of the date of submission using the USPTO patent electronic filing system.

Pre-AIA 35 U.S.C. 102(e) allows the use of certain international application publications and U.S. patent application publications, and certain U.S. patents as prior art under pre-AIA 35 U.S.C. 102(e) as of their respective U.S. filing dates, including certain international filing dates. The prior art date of a reference under pre-AIA 35 U.S.C. 102(e) may be the international filing date if the international filing date was on or after November 29, 2000, the international application designated the United States, and the international application was published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT) Article 21(2) in the English language. See MPEP § 2136 for examination guidelines on the application of pre-AIA 35 U.S.C. 102(e). References based on international applications that were filed prior to November 29, 2000 are subject to the "pre-AIPA" version of 35 U.S.C. 102(e) in force on November 28, 2000. See subsection III, below and MPEP § 2136.03 for additional information.

Even if the reference is prior art under pre-AIA 35 U.S.C. 102(e), the examiner should still consider pre-AIA 35 U.S.C. 102(a) for two reasons. First, if the reference is a U.S. patent or patent application publication of, or claims benefit of, an international application, the publication of the international application under PCT Article 21(2) may be the earliest prior art date under pre-AIA 35 U.S.C. 102(a) for the disclosure. Second, references that are only prior art under pre-AIA 35 U.S.C. 102(e), (f), or (g) and applied in a rejection under pre-AIA 35 U.S.C. 103(a) are subject to being disqualified under pre-AIA 35 U.S.C. 103(c) if the reference and the application were commonly owned, or subject to an obligation of common assignment, at the time the invention was made. For pre-AIA 35 U.S.C. 102(a) to apply, the reference must have a publication date earlier in time than the effective filing date of the claimed invention in the application under examination, and must not be the inventor or at least one joint inventor's own work.

Publication under PCT Article 21(2) may result from a request for early publication by an applicant of an international application or after the expiration of 18-months after the earliest claimed priority date in an international application. International applications, which: (1) were filed prior to November 29, 2000, or (2) did not designate the U.S., or (3) were not published in English under PCT Article 21(2) by WIPO, may not be used to reach back (bridge) to an earlier filing date through a priority or benefit claim for prior art purposes under pre-AIA 35 U.S.C. 102(e). An international filing date which is on or after November 29, 2000 is a United States filing date for purposes of determining the earliest effective prior art date of a patent if the international application designated the United States and was published in the English language under PCT Article 21(2) by WIPO. No international filing dates prior to November 29, 2000 may be relied upon as a prior art date under pre-AIA 35 U.S.C. 102(e).

Patents issued directly, or indirectly, from international applications filed before November 29, 2000 may only be used as prior art based on the provisions of pre-AIPA 35 U.S.C. 102(e) as in force on November 28, 2000. Thus, the pre-AIPA 35 U.S.C. 102(e) date of such a prior art patent is the earliest of the date of compliance with 35 U.S.C. 371(c)(1), (2) and (4), or the filing date of the later-filed U.S. continuing application that claimed the benefit of the international application. Publications of international applications filed before November 29, 2000 (which would include WIPO publications and U.S. publications of the national stage (35 U.S.C. 371)) do not have a pre-AIPA 35 U.S.C. 102(e) date at all (however, such publications are available as prior art under pre-AIA 35 U.S.C. 102(a) or (b) as of their publication date).

[Editor Note: This MPEP section is not applicable to applications subject to examination under the first inventor to file provisions of the AIA as set forth in 35 U.S.C. 100 (note). See MPEP § 2159 et seq. to determine whether an application is subject to examination under the first inventor to file (FITF) provisions, and MPEP § 2150 et seq. for examination of applications subject to those provisions. See MPEP § 2152.05 for the examination of applications subject to the first inventor to file provisions of the AIA.]

First, the examiner should consider whether the reference qualifies as prior art under pre-AIA 35 U.S.C. 102(b) because this section results in a statutory bar to obtaining a patent. If the publication or issue date of the reference is more than 1 year prior to the effective filing date of the claimed invention (MPEP § 2139.01), the reference qualifies as prior art under pre-AIA 35 U.S.C. 102(b).

If there is evidence of public use or sale activity more than one year prior to the effective filing date of the claimed invention, a rejection should be made under pre-AIA 35 U.S.C. 102(b), which results in a statutory bar to obtaining a patent, rather than under pre-AIA 35 U.S.C. 102(a). Note that mere knowledge of the invention by the public does not warrant rejection under pre-AIA 35 U.S.C. 102(b), although public knowledge may provide grounds for rejection under pre-AIA 35 U.S.C. 102(a). See MPEP §§ 2132 and 2133.03(a).

Publication under PCT Article 21(2) may result from a request for early publication by an applicant of an international application or after the expiration of 18-months after the earliest claimed priority date in an international application. International applications, which: (1) were filed prior to November 29, 2000, or (2) did not designate the U.S., or (3) were not published in English under PCT Article 21(2) by WIPO, may not be used to reach back (bridge) to an earlier filing date through a priority or benefit claim for prior art purposes under pre-AIA 35 U.S.C. 102(e). An international filing date which is on or after November 29, 2000 is a United States filing date for purposes of determining the earliest effective prior art date of a patent if the international application designated the United States and was published in the English language under PCT Article 21(2) by WIPO. No international filing dates prior to November 29, 2000 may be relied upon as a prior art date under pre-AIA 35 U.S.C. 102(e).

A person shall be entitled to a patent unless –

Even if the reference is prior art under pre-AIA 35 U.S.C. 102(e), the examiner should still consider pre-AIA 35 U.S.C. 102(a) for two reasons. First, if the reference is a U.S. patent or patent application publication of, or claims benefit of, an international application, the publication of the international application under PCT Article 21(2) may be the earliest prior art date under pre-AIA 35 U.S.C. 102(a) for the disclosure. Second, references that are only prior art under pre-AIA 35 U.S.C. 102(e), (f), or (g) and applied in a rejection under pre-AIA 35 U.S.C. 103(a) are subject to being disqualified under pre-AIA 35 U.S.C. 103(c) if the reference and the application were commonly owned, or subject to an obligation of common assignment, at the time the invention was made. For pre-AIA 35 U.S.C. 102(a) to apply, the reference must have a publication date earlier in time than the effective filing date of the claimed invention in the application under examination, and must not be the inventor or at least one joint inventor's own work.