Imagine That IP Law Blog

The terrain of inter partes review (IPR) strategy shifted meaningfully on November 17, 2025. On that date, the USPTO issued a memorandum authorizing voluntary Search Disclosure Declarations (SDDs), positioning them as a pro‑institution factor in IPR and PGR practice. At first glance, the SDD looks like a one‑way ratchet in petitioners’ favor: disclose your search methodology, strengthen your story of Office error, and improve your institutional odds. But once Ironburg Inventions Ltd. v. Valve Corp. is layered on top of the new guidance, the calculus becomes more ... Read More ›