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

IPR2024-00768

TikTok Inc. successfully navigated the institution phase of an IPR against Cellspin Soft, Inc., leading to a decision that reasonable likelihood of unpatentability was established for claims 1-10 over Singh129 and Singh906. The Board found that Petitioner adequately demonstrated material error in prior art consideration during prosecution regarding Ground 2.

Jurisdiction
US PTAB
Case Number
IPR2024-00768
Judge(s)
GREGG I. ANDERSON, CYNTHIA M. HARDMAN, MICHAEL A. VALEK
Decision Date
4 May 2024

Detailed Summary

The PTAB issued an Institution Decision instituting the IPR against Patent No. 11234121, covering claims 1-10, after TikTok Inc. successfully met the reasonable likelihood standard for unpatentability. The Board found that Petitioner adequately demonstrated material error in prior art consideration regarding Ground 2 (obviousness over Singh129 and Singh906). Furthermore, the Board determined that the combination of Hiroishi, Kahn, Endsley, and Bluetooth teaches or suggests each limitation of claims 1-10 for institution purposes. The outcome establishes a reasonable likelihood of unpatentability for all claimed features based on the cited prior art references.

Practitioner Note

This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in TikTok Inc. et al. vs Cellspin Soft, Inc. is valuable context for structuring arguments or assessing risk in similar proceedings.

Related Cases

patentIPR2025-01494

BOE Technology Group Co., Ltd.vsSamsung Display Co., Ltd.

BOE and Samsung jointly filed a request to keep their IPR settlement agreement confidential and separate from the patent record.

patentIPR2025-01121

Harbor Freight Tools USA, Inc. et al.vsChampion Power Equipment, Inc.

Petitioners seek Director review after the USPTO denied institution of a multi‑fuel generator patent, arguing the decision conflicts with a prior institution of the parent ’034 patent. They assert the same obviousness grounds apply and that the denial is arbitrary and capricious.

patentIPR2026-00195

Amazon.com, Inc. et al.vsInterDigital Madison Patent Holdings, SAS et al.

Amazon has filed an IPR petition seeking cancellation of four claims of InterDigital’s HEVC‑related ’877 patent, asserting obviousness over multiple prior‑art references under 35 U.S.C. §103.

patentPGR2026-00035

Altria Client Services LLCvs--

Altria Client Services LLC petitions the PTAB to cancel a design patent for a dog‑toy set that mimics Marlboro cigarette packaging, citing a 1959 Life Magazine ad and a 1976 trademark registration as prior art.

patentIPR2024-00976

BOE Technology Group Co., Ltd.vs138 East LCD Advancements Limited et al.

BOE Technology Group Co., Ltd. filed a petition challenging U.S. Patent No. 7,502,079 regarding Active-Matrix Liquid Crystal Displays (AMLCD). The petitioner asserts that all three claimed elements are obvious over various combinations of prior art references under 35 U.S.C. § 103. This filing initiates a formal PTAB proceeding against the patent owner.

Arctic Invent — IP Strategy

Dealing with a patent challenge?

Whether it's a Section 3(d) rejection, a post-grant opposition, or a FRAND dispute, Arctic's patent litigation team has handled it. Get a strategy call.

Talk to our patent team →

Disclaimer: This page contains an automated summary based on publicly available judicial records. The content is generated for informational purposes only and does not constitute legal advice. Always verify details against the original source judgment before relying on this information for any legal purpose. If you believe any information is inaccurate, please contact us.

Strategy Consult

Facing a similar patent matter?

Arctic's litigation team uses precedent data like this to build winning arguments.

Get a Strategy Call