Are there any exceptions to prior art under AIA 35 U.S.C. 102(a)(2)?

Yes, there are exceptions to prior art under AIA 35 U.S.C. 102(a)(2). These exceptions are outlined in 35 U.S.C. 102(b)(2). The MPEP section 2154 states: “See MPEP § 2154.02 et seq. for prior art exceptions under 35 U.S.C. 102(b)(2) to AIA 35 U.S.C. 102(a)(2).

The exceptions generally fall into three categories:

  • Disclosures made 1 year or less before the effective filing date of the claimed invention
  • Disclosures appearing in applications and patents having common ownership
  • The subject matter disclosed and the claimed invention were owned by the same person or subject to an obligation of assignment to the same person

For detailed information on these exceptions, refer to MPEP § 2154.02 and its subsections.

To learn more:

Topics: MPEP 2100 - Patentability, MPEP 2154 - Provisions Pertaining To Subject Matter In A U.S. Patent Or Application Effectively Filed Before The Effective Filing Date Of The Claimed Invention, Patent Law, Patent Procedure
Tags: 35 U.S.C. 102(B)(2), AIA, common ownership, grace period, prior art exceptions