Explore the details of the Semisilicon Technology Corp. v. Changzhou Jutai Electronic Co., Ltd. et al case under case number 4:2025cv02665 involving a cause of action for Patent Infringement. Review key information about the parties involved, the patents in question, and the docket entries.

Case Details

Case Number
4:2025cv02665
Filing Date
Mar 19, 2025
Cause of Action
Patent Infringement
Status
OPEN
Case Link
View Case
Nature of Suit
830

Plaintiffs

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

CompanyRepresented By
Semisilicon Technology Corp.
Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
Finnegan Henderson Farabow Garrett & Dunner LLP

Defendants

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

CompanyRepresented By
Amazon.Com, Inc. -
Changzhou Jutai Electronic Co., Ltd. -
Linhai Caiyuan Trading Co., Ltd. -
Maanshan Haoluo Maoyi Youxian Gongsi -
Ningbo Yihai Yangtian Lighting Co., Ltd. -
Taizhou Feixin Dengshi Youxian Gongsi -

Patents Involved in the Case

This case involves 2 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.

Application NumberPatent Number
15848748US9939117B1
15863189US10187935B2

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

Apr 28, 2025WAIVER OF SERVICE Returned Executed filed by Semisilicon Technology Corp.. Service waived by Amazon.Com, Inc. waiver sent on 4/14/2025, answer due 6/13/2025. (Yang, Ming-Tao) (Filed on 4/28/2025) (Entered: 04/28/2025)WAIVER OF SERVICE
Apr 4, 2025CLERKS NOTICE SETTING CASE MANAGEMENT CONFERENCE AND ZOOM HEARING. Joint Case Management Statement due by 6/24/2025. Initial Case Management Conference set for 7/1/2025 at 02:00 PM - Videoconference Only. This proceeding will be held via a Zoom webinar.Webinar Access: All counsel, members of the public, and media may access the webinar information at https://www.cand.uscourts.gov/jst Court Appearances: Advanced notice is required of counsel or parties who wish to be identified by the court as making an appearance or will be participating in the argument at the hearing. One list of names of all counsel appearing for all parties must be sent in one email to the CRD at [email protected] no later than 06/30/2025 at 2:00PM PST.General Order 58. Persons granted access to court proceedings held by telephone or videoconference are reminded that photographing, recording, and rebroadcasting of court proceedings, including screenshots or other visual copying of a hearing, is absolutely prohibited.Zoom Guidance and Setup: https://www.cand.uscourts.gov/zoom/. (dms, COURT STAFF) (Filed on 4/4/2025) (Entered: 04/04/2025)CLERKS NOTICE SETTING CASE MANAGEMENT CONFERENCE AND ZOOM HEARING
Apr 4, 2025ORDER REASSIGNING CASE IT IS ORDERED that this case is reassigned using a proportionate, random and blind system pursuant to General Order No. 44 to Judge Jon S. Tigar. Magistrate Judge Donna M. Ryu no longer assigned to the case. Counsel are instructed that all future filings shall bear the updated judicial initials immediately after the case number. Counsel are reminded to verify the location of the judge on the court website. All hearing and trial dates presently scheduled are vacated. However, existing briefing schedules for motions remain unchanged. Motions must be renoticed for hearing before the judge to whom the case has been reassigned, but the renoticing of the hearing does not affect the prior briefing schedule. Other deadlines such as those for ADR compliance and discovery cutoff also remain unchanged. Notice: The assigned judge participates in the Cameras in the Courtroom Pilot Project. See General Order 65 and cand.uscourts.gov/cameras. Mark B. Busby Clerk, United States District Court (This is a text-only entry generated by the court. There is no document associated with this entry.) (amf, COURT STAFF) (Filed on 4/4/2025) (Entered: 04/04/2025)ORDER REASSIGNING CASE IT IS ORDERED
Apr 3, 2025CLERK'S NOTICE OF IMPENDING REASSIGNMENT TO A U.S. DISTRICT COURT JUDGE: The Clerk of this Court will now randomly reassign this case to a District Judge because either (1) a party has not consented to the jurisdiction of a Magistrate Judge, or (2) time is of the essence in deciding a pending judicial action for which the necessary consents to Magistrate Judge jurisdiction have not been secured. You will be informed by separate notice of the district judge to whom this case is reassigned. ALL HEARING DATES PRESENTLY SCHEDULED BEFORE THE CURRENT MAGISTRATE JUDGE ARE VACATED AND SHOULD BE RE-NOTICED FOR HEARING BEFORE THE JUDGE TO WHOM THIS CASE IS REASSIGNED. This is a text only docket entry; there is no document associated with this notice. (ig, COURT STAFF) (Filed on 4/3/2025) (Entered: 04/03/2025)CLERK
Apr 3, 2025CONSENT/DECLINATION to Proceed Before a US Magistrate Judge by Semisilicon Technology Corp... (Yang, Ming-Tao) (Filed on 4/3/2025) (Entered: 04/03/2025)CONSENT
Mar 20, 2025Initial Case Management Scheduling Order with ADR Deadlines: Case Management Statement due by 6/11/2025. Initial Case Management Conference set for 6/18/2025 01:30 PM in Oakland, - Videoconference Only. (kam2, COURT STAFF) (Filed on 3/20/2025) (Entered: 03/20/2025)-
Mar 20, 2025Case assigned to Magistrate Judge Donna M. Ryu. Counsel for plaintiff or the removing party is responsible for serving the Complaint or Notice of Removal, Summons and the assigned judge's standing orders and all other new case documents upon the opposing parties. For information, visit E-Filing A New Civil Case at http://cand.uscourts.gov/ecf/caseopening.Standing orders can be downloaded from the court's web page at www.cand.uscourts.gov/judges. Upon receipt, the summons will be issued and returned electronically. A scheduling order will be sent by Notice of Electronic Filing (NEF) within two business days. Consent/Declination due by 4/3/2025. (pjf, COURT STAFF) (Filed on 3/20/2025) (Entered: 03/20/2025)-
Mar 19, 2025Rule 7.1 Disclosures by Semisilicon Technology Corp. Semisilicon Technology Corp.'s Corporate Disclosure Statement Under Fed. R. Civ. 7.1 and Certificate of Interested Entities or Persons Under Civil L.R. 3-15 (Yang, Ming-Tao) (Filed on 3/19/2025) (Entered: 03/19/2025)-
Mar 19, 2025REPORT on the filing or determination of an action regarding a Patent (cc: form mailed to register). (Yang, Ming-Tao) (Filed on 3/19/2025) (Entered: 03/19/2025)REPORT
Mar 19, 2025COMPLAINT for Patent Infringement against Amazon.Com, Inc., Changzhou Jutai Electronic Co., Ltd., Linhai Caiyuan Trading Co., Ltd., Maanshan Haoluo Maoyi Youxian Gongsi, Ningbo Yihai Yangtian Lighting Co., Ltd., Taizhou Feixin Dengshi Youxian Gongsi ( Filing fee $ 405, receipt number ACANDC-20473919.). Filed by Semisilicon Technology Corp.. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Civil Cover Sheet)(Yang, Ming-Tao) (Filed on 3/19/2025) (Entered: 03/19/2025)COMPLAINT