Patent 8073681
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Active provider: Google · gemini-2.5-flash
No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.
Cases on file (7)
Group view →Specific litigation cases in our database that name US patent 8073681. The free-form analysis below may also discuss cases beyond this list.
- VB Assets LLC v. Android International Inc et al.filed Apr 17, 20261:26-cv-00443Delaware District CourtOpen
Defendants: Android International Inc, Google LLC, Xxvi Holdings Inc, and 2 others
Other patents asserted: 10510341, 12236456, 8527274, 8515765, 10755699, 9269097, 10297249, 8886536, 7818176, 11087385
The infringement claim covers Google's AI assistants, like Gemini and Google Assistant, and voice search features in Google and YouTube. The accusation extends to the entire ecosystem supporting these services, including the hardware, operating systems, apps, and AI models that run them.
- WaveCel, LLC v. Studson, Inc.filed 2025-053:25-cv-00866Oregon District Courtterminated Jan 5, 2026Closed – Undisclosed Resolution
Defendants: Studson, Inc.
- Samsung Electronics Co., Ltd. et al. v. VB Assets, LLCfiled Apr 25, 2025IPR2025-00866Patent Trial and Appeal Board (PTAB)Not Instituted - Procedural
Defendants: VB Assets, LLC
- VB Assets LLC v. SoundHound AI, Inc.filed Nov 21, 20241:24-cv-01279-MNDelaware District CourtOpen/Pending
Defendants: SoundHound AI, Inc.
- VB Assets, LLC v. Samsung Electronics Co.filed Oct 9, 20242:24-cv-00828Texas Eastern District CourtOpen/Pending
Defendants: Samsung Electronics Co.
- Amazon.com, Inc. et al. v. VB Assets, LLCfiled Jul 28, 2020IPR2020-01367Patent Trial and Appeal Board (PTAB)terminated Dec 21, 2022Completed (Final Written Decision)
Defendants: VB Assets, LLC
- VB Assets, LLC v. Amazon.com Services LLC et al.filed Jul 29, 20191:19-cv-01410-MNDelaware District Courtterminated May 16, 2025On Appeal
Defendants: Amazon.com Services LLC, Amazon.com, Inc., Amazon Web Services, Inc., and 5 others
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
The US Patent 8073681, titled "System and method for a cooperative conversational voice user interface," has been involved in several litigation cases. Here's a summary of the known litigation:
1. IPR2020-01367 (PTAB - Inter Partes Review)
- Plaintiff(s): Amazon.com, Inc., Amazon.com LLC, Amazon Web Services, Inc., A2Z Development Center, Inc. d/b/a Lab126, Rawles LLC, AMZN Mobile LLC, AMZN Mobile 2 LLC, Amazon.com Services, Inc. f/k/a Amazon Fulfillment Services, Inc., and Amazon.com Services LLC (formerly Amazon Digital Services LLC)
- Defendant(s): VB Assets, LLC (Patent Owner)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2020-01367
- Filing Date: July 28, 2020 (effective date)
- Outcome/Current Status: Final Written Decision issued. An Inter Partes Review Certificate was issued on December 21, 2022. Claims 37-42 of the patent were disclaimed on November 22, 2022.
2. IPR2025-00866 (PTAB - Inter Partes Review)
- Plaintiff(s): [[Samsung Electronics Co.](/litigations/by-defendant/Samsung%20Electronics%20Co.), Ltd.](/litigations/by-plaintiff/Samsung%20Electronics%20Co.%2C%20Ltd.), and Samsung Electronics America, Inc.
- Defendant(s): VB Assets, LLC (Patent Owner)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2025-00866
- Filing Date: April 25, 2025 (effective date)
- Outcome/Current Status: Not Instituted - Procedural.
3. VB Assets, LLC v. Amazon.com Services LLC (Delaware District Court)
- Plaintiff(s): VB Assets, LLC
- Defendant(s): Amazon.com Services LLC, et al. (including Amazon.com, Inc., Amazon Web Services, Inc., A2Z Development Center, Inc., AMZN Mobile LLC, AMZN Mobile 2 LLC, Rawles LLC, Amazon Digital Services LLC)
- Jurisdiction: Delaware District Court
- Case Number: 1:19-cv-01410-MN
- Filing Date: July 29, 2019
- Outcome/Current Status: Final Judgment was entered on May 16, 2025. Amazon.com Services LLC appealed this judgment to the Federal Circuit on June 9, 2025. This case involved infringement allegations for claims of US Patent 8,073,681, among others.
4. VB Assets LLC v. Soundhound Ai Inc (Delaware District Court)
- Plaintiff(s): VB Assets LLC
- Defendant(s): SoundHound AI, Inc.
- Jurisdiction: Delaware District Court
- Case Number: 1:24-cv-01279-MN
- Filing Date: November 21, 2024
- Outcome/Current Status: Open/Pending. As of March 9, 2026, there was a stipulation to extend time to identify terms for claim construction and exchange proposed constructions to May 28, 2026. An amended complaint was filed on January 30, 2025.
5. VB Assets LLC v. Google LLC (Delaware District Court)
- Plaintiff(s): VB Assets, LLC
- Defendant(s): Google LLC, Alphabet Inc., Android, Inc., XXVI Holdings Inc., YouTube, LLC
- Jurisdiction: Delaware District Court
- Case Number: 1:26-cv-00443
- Filing Date: April 17, 2026
- Outcome/Current Status: Open/Pending. Complaint for Patent Infringement with Jury Demand filed.
6. VB Assets, LLC v. Samsung Electronics Co. (Texas Eastern District Court)
- Plaintiff(s): VB Assets, LLC
- Defendant(s): Samsung Electronics Co.
- Jurisdiction: Texas Eastern District Court
- Case Number: 2:24-cv-00828
- Filing Date: October 9, 2024
- Outcome/Current Status: Open/Pending. Allegations of infringement of the '681 patent by Samsung's Bixby 2.0 Products.
7. WaveCel, LLC v. Studson, Inc. (Oregon District Court)
- Plaintiff(s): WaveCel, LLC
- Defendant(s): Studson, Inc.
- Jurisdiction: Oregon District Court
- Case Number: 3:25-cv-00866 (D. Or.)
- Filing Date: May 2025
- Outcome/Current Status: Case Closed – Undisclosed Resolution on January 5, 2026. This case involved allegations of infringement of US Patent No. 8,073,681 B2 related to protective headgear technology.
8. Federal Circuit Appeals (related to 1:19-cv-01410-MN)
The Google Patents page also lists multiple appeals to the Court of Appeals for the Federal Circuit (CAFC) in 2025 (cases 25-1113, 25-1142, 25-1357, 25-1854). These likely stem from the VB Assets v. Amazon case (1:19-cv-01410-MN), as Amazon filed a Notice of Appeal to the Federal Circuit on June 9, 2025, from the Final Judgment entered on May 16, 2025. Specific details on the outcomes of these appeals are not fully detailed in the provided snippets, other than the general information about Amazon's appeal of the final judgment regarding the '681 patent, among others, and various denied motions.
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