What is the difference between derivation proceedings and interference proceedings?

Derivation proceedings and interference proceedings are both related to patent disputes, but they serve different purposes and apply to different patent regimes. The key differences are: Applicable Law: Derivation proceedings are part of the America Invents Act (AIA) and apply to patents under the first-inventor-to-file system. Interference proceedings were part of the pre-AIA system. Purpose:…

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What is the difference between the exceptions in 35 U.S.C. 102(b)(1) and 102(b)(2)?

The exceptions in 35 U.S.C. 102(b)(1) and 102(b)(2) serve different purposes and apply to different types of prior art. Here’s a comparison: 35 U.S.C. 102(b)(1) Exceptions: Apply to disclosures that would be prior art under 35 U.S.C. 102(a)(1) Cover public disclosures made within one year before the effective filing date Include exceptions for inventor’s own…

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How does common ownership affect prior art under 35 U.S.C. 102(b)(2)(C)?

Common ownership can significantly affect prior art considerations under 35 U.S.C. 102(b)(2)(C). The MPEP states: “35 U.S.C. 102(b)(2)(C) excepts subject matter disclosed in a U.S. patent, U.S. patent application publication, or WIPO published application from constituting prior art under 35 U.S.C. 102(a)(2) if the subject matter disclosed and the claimed invention, not later than the…

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