Unified Patents PTAB Data v. CellSpinSoft Inc.

Case Overview: Unified Patents PTAB Data v. CellSpinSoft Inc.

This Inter Partes Review (IPR) proceeding, IPR2025-00104, pits Unified Patents PTAB Data against CellSpinSoft Inc. before the Patent Trial and Appeal Board (PTAB) and concerns the validity of US Patent No. 8,904,030. Unified Patents PTAB Data is an arm of Unified Patents, a membership organization that proactively challenges patents, particularly those held by Non-Practicing Entities (NPEs) or "patent trolls," through IPRs to deter frivolous litigation and enhance patent quality without engaging in licensing or payments. CellSpinSoft Inc. is the patent owner and has a documented history as a patent assertion entity (PAE), having previously filed numerous patent infringement lawsuits against major technology companies such as Fitbit, Garmin, Nike, and Nikon, typically involving patents related to Bluetooth-enabled data capture and wireless upload functionalities for devices like smartwatches and fitness trackers.

The challenged patent, US Patent No. 8,904,030, is titled "System and method for creating and sharing data utilizing a data capture device and a mobile device." This patent broadly relates to the technology of connecting a data capture device to a mobile device via Bluetooth to facilitate the sharing and uploading of data, often automatically or with minimal user interaction. While the IPR itself does not directly involve an "accused product" in the way district court litigation does, it targets the patentability of the claims within this patent, which falls squarely within the technological domain previously asserted by CellSpinSoft against various consumer electronics.

This case is currently "instituted" at the PTAB, meaning the Board has determined that there is a "reasonable likelihood" that Unified Patents will prevail in challenging at least one of the patent's claims. The PTAB provides an administrative forum at the U.S. Patent and Trademark Office (USPTO) for challenging patent validity based on prior art, offering a typically faster and more cost-effective alternative to federal court litigation, with decisions made by technically expert administrative patent judges. The proceeding is notable because it represents Unified Patents' continued strategy to target and invalidate patents asserted by prolific NPEs like CellSpinSoft, which has faced criticism in district court for aggressive litigation tactics and asserting patents deemed ineligible under 35 U.S.C. § 101. The outcome of this IPR could therefore impact CellSpinSoft's ability to further assert the '030 patent, aligning with Unified Patents' mission to reduce what it views as low-quality patent assertions.

This analysis addresses the key legal developments and outcomes related to US Patent 8,904,030, including a significant Inter Partes Review (IPR) proceeding and parallel district court litigation.

Discrepancy in Case Metadata:
The provided case metadata lists IPR2025-00104, Unified Patents PTAB Data v. CellSpinSoft Inc., concerning US patent 8,904,030, as "Pending - Instituted." However, extensive searches reveal that the primary IPR proceeding challenging US Patent 8,904,030 is IPR2024-00770, filed by TikTok Inc. against Cellspin Soft, Inc.. Unified Patents PTAB Data did initiate an ex parte reexamination for US Patent 8,904,030 (application number 90019499), which was granted on July 25, 2024. This summary will detail the developments of IPR2024-00770, the associated district court litigation, and the ex parte reexamination.

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Key Legal Developments and Outcome

I. Parallel PTAB IPR Proceedings (IPR2024-00770 by TikTok Inc.)

• Filing & Initial Pleadings: TikTok Inc. filed a series of IPR petitions, including IPR2024-00770, challenging US Patent 8,904,030, owned by Cellspin Soft, Inc.. The petitions were filed in the context of a patent infringement lawsuit brought by Cellspin Soft against TikTok's parent company, ByteDance, in the Eastern District of Texas.
• Institution & Motion to Terminate: The Patent Trial and Appeal Board (PTAB) initially instituted the IPR proceedings. Cellspin Soft, Inc. (Patent Owner) subsequently filed motions to terminate these IPRs and vacate the institution decisions. Cellspin Soft argued that TikTok Inc. was controlled by a foreign government (the Chinese Communist Party, or CCP) and was therefore ineligible to file an IPR under the Supreme Court's ruling in Return Mail, Inc. v. United States Postal Service. Cellspin Soft also contended that TikTok failed to identify all real parties in interest (RPIs).
• PTAB Decision on Motion to Terminate: On June 2, 2025, the PTAB denied Cellspin Soft's motion to terminate the IPRs. The Board found that Cellspin Soft had waived its right to raise the RPI issue as a basis for termination. Furthermore, the PTAB ruled that the Supreme Court's Return Mail precedent applied to U.S. federal agencies, not foreign governments, and thus TikTok's alleged control by a sovereign government did not render it ineligible to challenge patent rights through IPRs.
• Director Review and Vacatur of Institution: On June 5, 2025, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the USPTO, Coke Morgan Stewart, sua sponte initiated Director Review for IPR2024-00770 and the related IPRs to reconsider the Board's institution decisions, citing the novel issues presented. The cases were stayed pending this review.
• Final Outcome of IPRs: On March 30, 2026, John A. Squires, the Director of the USPTO, issued a Decision Vacating the Decisions Granting Institution and Denying Institution of Inter Partes Review for IPR2024-00770 (and the other related IPRs). This decision reversed the PTAB's earlier stance. Director Squires concluded, in a precedential decision in Tianma Microelectronics Co., Ltd. v. LG Display Co., Ltd. (March 18, 2026), that a foreign government cannot be considered a "person" under the America Invents Act (AIA) and is therefore not permitted to seek review of a patent as a petitioner in AIA proceedings. Applying this reasoning to TikTok's IPRs, the Director found that TikTok had failed to establish whether a foreign government was a real party in interest, leading to the vacatur and denial of institution. This effectively ended TikTok's IPR challenges to US Patent 8,904,030 and the other patents involved.

II. Parallel District Court Litigation Asserting US Patent 8,904,030

• Cellspin Soft, Inc. v. ByteDance Ltd., et al. (E.D. Tex., Case No. 2:23-cv-496)
  • Filing & Initial Pleadings: Cellspin Soft, Inc. filed this patent infringement lawsuit against ByteDance Ltd., ByteDance Pte. Ltd., and TikTok Pte. Ltd. on October 20, 2023, in the Eastern District of Texas. The complaint asserted US Patent 8,904,030 and several other related patents.
  • Answer & Counterclaims: Defendants ByteDance and TikTok filed their answer and counterclaims on March 6, 2024.
  • Pre-trial Motions (Venue Discovery): On June 6, 2024, Cellspin Soft filed an opposed motion to compel additional discovery related to venue, arguing that TikTok's responses to interrogatories were insufficient regarding the location of servers and corporate whistleblowers related to "Project Texas."
  • Trial & Stay: The litigation had a trial date set for August 4, 2025. The district court proceedings were reportedly stayed during the IPR process initiated by TikTok. Following the USPTO Director's decision on March 30, 2026, vacating the institution of TikTok's IPRs, the district court infringement proceedings are now set to resume.
• Other Assertions of 8,904,030: US Patent 8,904,030 has also been asserted by Cellspin Soft against LifeScan and Senseonics.
  • Cellspin Soft, Inc. v. LifeScan, Inc. (E.D. Tex., Civil Action No. 2:24-cv-00286), filed April 29, 2024.
  • Cellspin Soft, Inc. v. Senseonics Holdings, Inc. et al. (E.D. Tex., Case No. 2:24-cv-00263), filed April 19, 2024.
  • LifeScan, Senseonics, and Ascensia Diabetes Care Holdings AG were also involved as "Joining Petitioners" in related IPRs to TikTok's IPRs, including IPR2024-00770 for patent 8,904,030.

III. Parallel Ex Parte Reexamination Proceeding (Application No. 90019499)

• Request & Grant: Unified Patents initiated an ex parte reexamination for US Patent 8,904,030. This request was granted by the Central Reexamination Unit (CRU) on July 25, 2024, finding "substantial new questions of patentability" on the challenged claims. This proceeding is distinct from an IPR and is handled by specialized examiners within the USPTO's CRU.
• Status & Outcome: The ex parte reexamination proceeding is currently ongoing, as such proceedings typically lead to a reexamination certificate that indicates the status of all claims. It is maintained by the Patent Office, not the requester, and its estoppel provisions are different from IPRs.

IV. Effect of PTAB Proceedings on Litigation

The denial of institution for TikTok's IPRs (IPR2024-00770 and others) on March 30, 2026, means that the validity of US Patent 8,904,030 (and the other patents challenged by TikTok) will now likely be determined in the ongoing district court litigation between Cellspin Soft and ByteDance/TikTok. The district court case, which was previously stayed during the IPR process, is expected to resume. The ongoing ex parte reexamination, a separate administrative process, will continue to assess the patentability of the claims based on prior art.

Unified Patents PTAB Data, as the petitioner in IPR2025-00104, is represented by both in-house counsel and external counsel in its challenges to patents. While a direct docket for IPR2025-00104 was not found in public search results to confirm counsel specifically for this IPR, Unified Patents has been identified as being represented by the following attorneys in a related ex parte reexamination of US Patent 8,904,030 (the same patent at issue in this IPR), which is owned by CellSpinSoft, Inc.. It is highly probable these individuals are also involved in the IPR proceeding.

Counsel representing Unified Patents PTAB Data:

• Roshan Mansinghani

  • Role: In-House Legal Head - NPE (Non-Practicing Entity)
  • Firm: Unified Patents, LLC (Washington, D.C. or Dallas, TX office is mentioned for Unified Patents attorneys in different filings)
  • Note: Oversees dozens of USPTO invalidation proceedings per year, with over a decade of experience in patent litigation and trials, including previous practice at Baker Botts L.L.P.. He is listed as a back-up counsel in other IPR filings.

• Jessica L.A. Marks

  • Role: SEP (Standard Essential Patent) and Foreign Managing Counsel (in-house)
  • Firm: Unified Patents, LLC (Washington, D.C. office is mentioned for Unified Patents attorneys)
  • Note: As part of Unified Patents' in-house team, she contributes to the organization's efforts to deter unsubstantiated patent assertions.

• Alyssa Holtslander

  • Role: Trademark Managing Counsel (in-house)
  • Firm: Unified Patents, LLC (Chevy Chase, MD is mentioned in one appellate filing)
  • Note: Also part of Unified Patents' in-house legal team involved in various patent challenges. She was also involved in a Federal Circuit appeal of an IPR decision where Unified Patents was the appellee.

• Raghav Bajaj

  • Role: Counsel (external)
  • Firm: Haynes and Boone, LLP
  • Note: Represents Unified Patents in patent challenges. Haynes and Boone, LLP attorneys have also represented Unified Patents as amicus curiae in Supreme Court matters.

Other notable in-house counsel at Unified Patents who frequently handle PTAB matters:

• Jonathan Stroud

  • Role: COO & CLO (Chief Legal Officer)
  • Firm: Unified Patents, LLC, Washington, D.C.
  • Note: Manages Unified Patents' legal and corporate work, focusing on Patent Trial and Appeal Board, district court, and appellate litigation. Previously a patent attorney at Finnegan, Henderson, Farabow, Garrett and Dunner LLP.

• Kelly R. Hughes

  • Role: Senior Patent Counsel (in-house)
  • Firm: Unified Patents, LLC, Washington, D.C.
  • Note: Handles PTAB filings, including inter partes reviews and ex parte reexaminations, and appellate practice. Previously a patent attorney at Erise IP. She has been named as counsel in other IPR proceedings for Unified Patents.

Due to the nature of IPR proceedings and Unified Patents' model, these in-house and external attorneys often collaborate on various patent challenges before the PTAB.

The counsel of record representing CellSpinSoft Inc. in IPR2025-00104 has not been explicitly identified in the provided search results. While CellSpinSoft Inc. is noted as the "Patent Owner" in relation to U.S. Patent 8,904,030 in other related PTAB proceedings, and Unified Patents' counsel has been identified in reexamination challenges, specific attorneys for CellSpinSoft Inc. in IPR2025-00104 are not listed.

To definitively identify CellSpinSoft Inc.'s counsel, it would be necessary to access the official docket for IPR2025-00104 directly, which often lists the attorneys who have entered an appearance. Such information is typically found through platforms like the PTAB E2E system or commercial legal research databases that aggregate docket information. Without direct access to the specific IPR docket, the counsel of record for CellSpinSoft Inc. remains unconfirmed.