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The USPTO issued new rules on September 16, 2025, requiring detailed justifications for inconsistent patent decisions and stricter evidence standards in IPRs, raising the bar to challenge patents.
On September 16, 2025, the USPTO issued new guidance requiring the PTAB to provide detailed written explanations when its rulings on patent claims differ from prior decisions in federal courts, the ITC, or earlier USPTO proceedings, especially when evidence and arguments are similar.
This aims to improve consistency and transparency, making it harder for petitioners to challenge patents previously upheld without introducing new evidence or legal arguments.
The rule applies to both institution and final decisions.
Separately, a new policy effective September 1, 2025, mandates that all claim limitations in IPR petitions be supported by prior art patents or printed publications, eliminating reliance on general knowledge to fill gaps.
This raises the bar for challenging patents, increases costs, and may lead to fewer IPRs and more litigation in federal courts.
La USPTO emitió nuevas reglas el 16 de septiembre de 2025, que requieren justificaciones detalladas para decisiones de patente inconsistentes y estándares de evidencia más estrictos en los derechos de propiedad intelectual, elevando el listón para impugnar patentes.