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TOPEKA TECH, INC v. Darkring (Ningboshiheihuanjiankangkejiyouxiangongsi) - 5:26-cv-01383

TOPEKA TECH, INC v. Darkring (Ningboshiheihuanjiankangkejiyouxiangongsi) (Case No. 5:26-cv-01383), filed on Mar 23, 2026 in the District Court, C.D. California 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
5:26-cv-01383
Filing Date
Mar 23, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, C.D. California
Nature of Suit
Patent

Parties Involved

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

NameRepresented By
TOPEKA TECH, INC -
Darkring (Ningboshiheihuanjiankangkejiyouxiangongsi) -

Patents Involved

Patents not found - set an alert to get notified when patents are added.

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

Mar 23, 2026NOTICE of Interested Parties filed by Plaintiff TOPEKA TECH, INC, (Yip, Wai) (Entered: 03/23/2026)PACER Document
Mar 23, 2026CIVIL COVER SHEET filed by Plaintiff TOPEKA TECH, INC. (Yip, Wai) (Entered: 03/23/2026)PACER Document
Mar 23, 2026COMPLAINT Receipt No: ACACDC-41806340 - Fee: $405, filed by Plaintiff TOPEKA TECH, INC. (Attachments: # 1 Exhibit Exhibit A-Patent Certificates, # 2 Exhibit Exhibit B-Declaration, # 3 Exhibit Exhibit C-Comparison, # 4 Exhibit Exhibit D-Cease and Desist Letters, # 5 Exhibit Exhibit E- Correspondence) (Attorney Wai Tai Leonard Yip added to party TOPEKA TECH, INC(pty:pla))(Yip, Wai) (Entered: 03/23/2026)PACER Document
Mar 23, 2026Request for Clerk to Issue Summons on Complaint (Attorney Civil Case Opening), 1 filed by Plaintiff TOPEKA TECH, INC. (Yip, Wai) (Entered: 03/23/2026)PACER Document
Mar 23, 2026COMPLAINT Receipt No: ACACDC-41806340 - Fee: $405, filed by Plaintiff TOPEKA TECH, INC. (Attachments: # 1 Exhibit Exhibit A-Patent Certificates, # 2 Exhibit Exhibit B-Declaration, # 3 Exhibit Exhibit C-Comparison, # 4 Exhibit Exhibit D-Cease and Desist Letters, # 5 Exhibit Exhibit E- Correspondence) (Attorney Wai Tai Leonard Yip added to party TOPEKA TECH, INC(pty:pla))(Yip, Wai) (Entered: 03/23/2026)Attachment
Mar 23, 2026COMPLAINT Receipt No: ACACDC-41806340 - Fee: $405, filed by Plaintiff TOPEKA TECH, INC. (Attachments: # 1 Exhibit Exhibit A-Patent Certificates, # 2 Exhibit Exhibit B-Declaration, # 3 Exhibit Exhibit C-Comparison, # 4 Exhibit Exhibit D-Cease and Desist Letters, # 5 Exhibit Exhibit E- Correspondence) (Attorney Wai Tai Leonard Yip added to party TOPEKA TECH, INC(pty:pla))(Yip, Wai) (Entered: 03/23/2026)Attachment
Mar 23, 2026COMPLAINT Receipt No: ACACDC-41806340 - Fee: $405, filed by Plaintiff TOPEKA TECH, INC. (Attachments: # 1 Exhibit Exhibit A-Patent Certificates, # 2 Exhibit Exhibit B-Declaration, # 3 Exhibit Exhibit C-Comparison, # 4 Exhibit Exhibit D-Cease and Desist Letters, # 5 Exhibit Exhibit E- Correspondence) (Attorney Wai Tai Leonard Yip added to party TOPEKA TECH, INC(pty:pla))(Yip, Wai) (Entered: 03/23/2026)Attachment
Mar 23, 2026COMPLAINT Receipt No: ACACDC-41806340 - Fee: $405, filed by Plaintiff TOPEKA TECH, INC. (Attachments: # 1 Exhibit Exhibit A-Patent Certificates, # 2 Exhibit Exhibit B-Declaration, # 3 Exhibit Exhibit C-Comparison, # 4 Exhibit Exhibit D-Cease and Desist Letters, # 5 Exhibit Exhibit E- Correspondence) (Attorney Wai Tai Leonard Yip added to party TOPEKA TECH, INC(pty:pla))(Yip, Wai) (Entered: 03/23/2026)Attachment
Mar 23, 2026COMPLAINT Receipt No: ACACDC-41806340 - Fee: $405, filed by Plaintiff TOPEKA TECH, INC. (Attachments: # 1 Exhibit Exhibit A-Patent Certificates, # 2 Exhibit Exhibit B-Declaration, # 3 Exhibit Exhibit C-Comparison, # 4 Exhibit Exhibit D-Cease and Desist Letters, # 5 Exhibit Exhibit E- Correspondence) (Attorney Wai Tai Leonard Yip added to party TOPEKA TECH, INC(pty:pla))(Yip, Wai) (Entered: 03/23/2026)Attachment