Signal, LLP v. Ambarella, Inc. - 3:26-cv-00152

Signal, LLP v. Ambarella, Inc. (Case No. 3:26-cv-00152), filed on May 22, 2026 in the District Court, S.D. Ohio 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
3:26-cv-00152
Filing Date
May 22, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, S.D. Ohio
Nature of Suit
Patent

Parties Involved

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

NameRepresented By
Signal, LLP -
Ambarella, 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 22, 2026NOTICE by Plaintiff Signal, LLP AO120 Report on the Filing or Determination of an Action Regarding a Patent (Speed, Fred) (Entered: 05/22/2026)PACER Document
May 22, 2026Corporate Disclosure Statement by Plaintiff Signal, LLP. (Speed, Fred) (Entered: 05/22/2026)PACER Document
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)PACER Document
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment
May 22, 2026COMPLAINT with JURY DEMAND against Ambarella, Inc. ( Filing fee $ 405 paid - receipt number: AOHSDC-11053393), filed by Signal, LLP. (Attachments: # 1 Exhibit 1 - U.S. Patent No. 10,944,400 Claim Chart, # 2 Exhibit 2 - U.S. Patent No. 8,947,962 Claim Chart, # 3 Exhibit 3 - U.S. Patent No. 9,092,352 Claim Chart, # 4 Exhibit 4 - U.S. Patent No. 10,056,902 Claim Chart, # 5 Exhibit 5 - U.S. Patent No. 10,115,439 Claim Chart, # 6 Civil Cover Sheet, # 7 Summons Form) (Speed, Fred) (Entered: 05/22/2026)Attachment