Cerence Operating Company v. Amazon.com, Inc. - 2:26-cv-00372

Cerence Operating Company v. Amazon.com, Inc. (Case No. 2:26-cv-00372), filed on May 4, 2026 in the District Court, E.D. Texas involving patent infringement. This case involves patent infringement claims between the parties. Explore details about the litigants, key filings, and major docket updates.

Case Details

Case Number
2:26-cv-00372
Filing Date
May 4, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, E.D. Texas
Nature of Suit
Patent

Parties Involved

The following parties are involved in this case, with their respective legal representatives for the case.

NameRepresented By
Cerence Operating Company -
Amazon.com, Inc. -

Patents Involved

This case involves 5 patents, each of which is central to the dispute. These patents may be subject to claims of infringement, challenges to their validity, or other issues concerning their scope and enforcement.

Docket Entries

The Docket Entries section provides a chronological list of all significant filings and court actions in this case.

DateDocket EntryType

Set alerts for critical docket entry

May 4, 2026Notice of Filing of Patent/Trademark Form (AO 120). AO 120 emailed to the Director of the U.S. Patent and Trademark Office. (Baker, Charles) (Entered: 05/04/2026)PACER Document
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)PACER Document
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment
May 4, 2026COMPLAINT against Amazon Web Services, Inc., Amazon.com Services LLC, Amazon.com, Inc. ( Filing fee $ 405 receipt number ATXEDC-11521313.), filed by Cerence Operating Company. (Attachments: # 1 Exhibit 1 - US Patent 8,355,484, # 2 Exhibit 2 - US 8,355,484 Claim Chart, # 3 Exhibit 3 - US Patent 8,306,815, # 4 Exhibit 4 - US 8,306,815 Claim Chart, # 5 Exhibit 5 - US Patent 8,320,575, # 6 Exhibit 6 - US 8,320,575 Claim Chart, # 7 Exhibit 7 - US Patent 9,203,972, # 8 Exhibit 8 - US 9,203,972 Claim Chart, # 9 Exhibit 9 - US Patent 11,929,073, # 10 Exhibit 10 - US 11,929,073 Claim Chart, # 11 Civil Cover Sheet) (Counsel is reminded to file form required by LR CV-4(a).)(Baker, Charles) (Entered: 05/04/2026)Attachment