Watkins Manufacturing Corporation v. Liuyang Guanyang Trading Co., Ltd. - 3:26-cv-04480

Watkins Manufacturing Corporation v. Liuyang Guanyang Trading Co., Ltd. (Case No. 3:26-cv-04480), filed on Aug 5, 2026 in the District Court, S.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
3:26-cv-04480
Filing Date
Aug 5, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, S.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
Watkins Manufacturing Corporation -
Liuyang Guanyang Trading Co., Ltd. -

Patents Involved

There is a single patent involved in this case.

Application NumberPatent Number
-US11407661B2

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

Aug 5, 2026Corporate Disclosure Statement by Watkins Manufacturing Corporation identifying Corporate Parent Masco Corporation for Watkins Manufacturing Corporation.. (Danielczyk, Kevin) (Entered: 08/05/2026)PACER Document
Aug 5, 2026Summons Issued. Counsel receiving this notice electronically should print this summons and serve it in accordance with Rule 4, Fed.R.Civ.P and LR 4.1. (wxa) (Entered: 08/05/2026)PACER Document
Aug 5, 2026REPORT on the filing or determination of an action regarding patent and/or trademark number(s) *11,407,661* cc:USPTO (wxa) (Entered: 08/05/2026)PACER Document
Aug 5, 2026COMPLAINT with Jury Demand against Liuyang Guanyang Trading Co., Ltd. ( Filing fee $ 405 receipt number ACASDC-21475494.), filed by Watkins Manufacturing Corporation. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit 1 to Complaint, # 3 Exhibit 2 to Complaint, # 4 Exhibit 3 to Complaint )The new case number is 3:26-cv-4480-AGS-MSB. Judge Andrew G. Schopler and Magistrate Judge Michael S. Berg are assigned to the case. (Danielczyk, Kevin)(wxa) (Entered: 08/05/2026)PACER Document
Aug 5, 2026COMPLAINT with Jury Demand against Liuyang Guanyang Trading Co., Ltd. ( Filing fee $ 405 receipt number ACASDC-21475494.), filed by Watkins Manufacturing Corporation. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit 1 to Complaint, # 3 Exhibit 2 to Complaint, # 4 Exhibit 3 to Complaint )The new case number is 3:26-cv-4480-AGS-MSB. Judge Andrew G. Schopler and Magistrate Judge Michael S. Berg are assigned to the case. (Danielczyk, Kevin)(wxa) (Entered: 08/05/2026)Attachment
Aug 5, 2026COMPLAINT with Jury Demand against Liuyang Guanyang Trading Co., Ltd. ( Filing fee $ 405 receipt number ACASDC-21475494.), filed by Watkins Manufacturing Corporation. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit 1 to Complaint, # 3 Exhibit 2 to Complaint, # 4 Exhibit 3 to Complaint )The new case number is 3:26-cv-4480-AGS-MSB. Judge Andrew G. Schopler and Magistrate Judge Michael S. Berg are assigned to the case. (Danielczyk, Kevin)(wxa) (Entered: 08/05/2026)Attachment
Aug 5, 2026COMPLAINT with Jury Demand against Liuyang Guanyang Trading Co., Ltd. ( Filing fee $ 405 receipt number ACASDC-21475494.), filed by Watkins Manufacturing Corporation. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit 1 to Complaint, # 3 Exhibit 2 to Complaint, # 4 Exhibit 3 to Complaint )The new case number is 3:26-cv-4480-AGS-MSB. Judge Andrew G. Schopler and Magistrate Judge Michael S. Berg are assigned to the case. (Danielczyk, Kevin)(wxa) (Entered: 08/05/2026)Attachment
Aug 5, 2026COMPLAINT with Jury Demand against Liuyang Guanyang Trading Co., Ltd. ( Filing fee $ 405 receipt number ACASDC-21475494.), filed by Watkins Manufacturing Corporation. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit 1 to Complaint, # 3 Exhibit 2 to Complaint, # 4 Exhibit 3 to Complaint )The new case number is 3:26-cv-4480-AGS-MSB. Judge Andrew G. Schopler and Magistrate Judge Michael S. Berg are assigned to the case. (Danielczyk, Kevin)(wxa) (Entered: 08/05/2026)Attachment