US PTAB IP Litigation

Google LLC v.Dialect LLC

· IPR2024-00751

The USPTO denied Google’s request for Director Review of the institution decision in IPR2024-00751, leaving the institution of the IPR against Dialect’s patent in place.

patent terminated or settled · May 4, 2024

Google LLC v.Dialect LLC

· IPR2024-00751

Google has filed a petition for Director Review seeking to overturn the PTAB’s denial of institution in an IPR against Dialect’s voice‑command patent. The petitioner contends the Board misinterpreted the Coffman reference and ignored unrebutted expert testimony.

Google LLC v.Dialect LLC

· IPR2024-00750

Google and Dialect have jointly moved to terminate IPR2024-00750 after reaching a settlement, invoking 35 U.S.C. §317.

Google LLC v.Dialect LLC

· IPR2024-00749

Google filed a Director Review request to overturn the PTAB’s denial of institution for an IPR against Dialect’s in‑vehicle voice‑command patent. The petitioner contends the Board misread the Coffman prior art and ignored expert testimony.

Google LLC v.Dialect LLC

· IPR2024-00747

Google has filed a petition for Director Review seeking to overturn the PTAB’s denial of institution of an IPR against its vehicle voice‑control patent (U.S. 7,502,738). The petitioner contends the Board misread the Coffman prior art and ignored unrebutted expert testimony, arguing that factual disputes should be decided on a full record.

Google LLC v.Dialect LLC

· IPR2024-00748

Google filed a petition for Director Review after the PTAB denied institution of its IPR against Dialect's voice‑command patent. The petition argues the Board misread the Coffman reference and ignored expert testimony, urging that any factual disputes be resolved on a full record.

TikTok Inc. et al. v.Cellspin Soft, Inc.

· IPR2024-00768

The PTAB initiated a sua sponte Director review of several IPRs involving TikTok and Cellspin Soft, staying the cases while it re‑examines institution decisions tied to RPI and sovereign‑entity arguments.

TikTok Inc. et al. v.Cellspin Soft, Inc.

· IPR2024-00770

TikTok challenged a patent owner’s motion to terminate several IPRs over alleged failures to disclose a foreign party‑in‑interest and person‑eligibility issues. The PTAB denied the motion and initiated a sua sponte Director review, staying the IPRs pending further analysis.

Google LLC v.Dialect LLC

· IPR2024-00748

The PTAB denied Google LLC's request for Director Review of the institution decision in IPR2024-00748 concerning Patent 8,015,006. The original institution ruling remains unchanged.

patent terminated or settled · May 4, 2024

Google LLC v.Dialect LLC

· IPR2024-00746

The Director denied Google LLC's request for a rehearing of the institution decision in IPR2024-00746, keeping the original institution ruling intact. No new arguments or evidence altered the outcome.

Google LLC v.Dialect LLC

· IPR2024-00750

Google and Dialect reached a settlement, leading the PTAB to terminate IPR2024-00750 after the trial had been instituted. The settlement agreement will be kept confidential per Board order.

Google LLC v.Dialect LLC

· IPR2024-00750

Court decision.

Google LLC v.Dialect LLC

· IPR2024-00747

The USPTO denied Google LLC's request for Director Review of the institution decision in IPR2024-00747 concerning Patent 7,502,738 owned by Dialect LLC.

Google LLC v.Dialect LLC

· IPR2024-00749

Court decision.

TESLA, INC. v.iQar Inc.

· IPR2024-00630

Tesla sought a Director Review of the USPTO's institution of iQar's patent 10,850,616. The Board denied the request, leaving the institution in place.

TESLA, INC. v.iQar Inc.

· IPR2024-00630

Tesla seeks Director review to overturn the PTAB’s decision to institute an IPR on its vehicle‑power‑management patent. The patent owner argues the Board misapplied the § 325(d) discretionary denial test, re‑hashing arguments already considered during prosecution.

TESLA, INC. v.iQar Inc.

· IPR2024-00630

iQar Inc. has filed a Director Review Request challenging the PTAB’s institution of its U.S. Patent 10,850,616, asserting misapplication of § 325(d) and lack of deference to the examiner’s § 112 analysis. The petition seeks to overturn the institution and set proper precedent for future panels.

TikTok Inc. et al. v.Cellspin Soft, Inc.

· IPR2024-00770

TikTok Inc. challenged Cellspin Soft, Inc.'s patent (8904030) in an IPR petition, arguing the claims are obvious over combinations of prior art like Hiroishi/Takahashi and Singh129/Bluetooth. The PTAB decided to institute the proceeding based on favorable institutional factors.

TikTok Inc. et al. v.Cellspin Soft, Inc.

· IPR2024-00769

TikTok Inc. challenges the validity of Cellspin Soft's patent 9900766, alleging obviousness over various combinations of prior art references. The petition focuses heavily on combining Kahn with Bluetooth and Singh129 with Singh906 to invalidate claims related to mobile multimedia upload systems. This initial filing sets up a complex technical battleground in the PTAB.

TikTok Inc. et al. v.Cellspin Soft, Inc.

· IPR2024-00768

TikTok Inc. successfully petitioned for institution of its IPR against Cellspin Soft, Inc., challenging claims 1-10 on obviousness grounds (35 U.S.C. § 103). The Board found that the petitioner's stipulation regarding parallel district court litigation favored institution under Fintiv factors.

TikTok Inc. et al. v.Cellspin Soft, Inc.

· IPR2024-00767

TikTok Inc. challenged Cellspin Soft, Inc.'s patent (US 11659381) in a Petition, arguing that the claims are obvious over combinations of prior art references including Hiroishi, Kahn, and Bluetooth. The PTAB found sufficient grounds for institution, noting that both discretionary tests favored proceeding with the case.

Google LLC v.Dialect LLC

· IPR2024-00753

Google LLC filed a Petition challenging Dialect LLC's patent 7640160, arguing that Claim 12 is obvious over prior art references Kennewick and Ross. The petition asserts that combining the disclosures of these two patents renders the claimed knowledge-enhanced speech recognition engine predictable.

Google LLC v.Dialect LLC

· IPR2024-00752

Google LLC filed an IPR petition challenging U.S. Patent No. 8,849,652 held by Dialect LLC. The petitioner argues that the patent claims are obvious over prior art references, primarily Coffman and Kennewick. This challenge relates to speech recognition and conversational AI systems.