Amperex Technology Limited v. Semiconductor Energy Laboratory Co., Ltd.

Summary

Amperex Technology Limited sued Semiconductor Energy Laboratory in federal court seeking a declaratory judgment of non-infringement against a patent held by the defendant. The case involves patent claims in the Eastern District of Virginia, with Amperex challenging whether its technology infringes SEL's patent rights.

Summary generated by AI from public docket data. Verify against the original filing before relying on it.

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Cause

35:1 Patent Non-Infringement - Declaratory Judgment

Entities in this case

Parties

Amperex Technology Limited (plaintiff) Semiconductor Energy Laboratory Co., Ltd. (defendant)

Docket entries

1. #2252026-03-11

   JOINT PROPOSED SUMMARY JUDGMENT BRIEFING SCHEDULE AND ORDER as to summary Judgment and Daubert motions: (see Order for details). Signed by District Judge Patricia Tolliver Giles on 3/11/26. (pmil, ) (Entered: 03/11/2026)

2. 2026-03-11

   Alexandria Set Hearing: Summary Judgment Hearing set for 7/16/2026 at 10:00 AM in Alexandria Courtroom 801 before District Judge Patricia Tolliver Giles. (pmil, )

3. #2242026-03-10

   NOTICE (Joint Proposed Summary Judgment Briefing Schedule), filed by Semiconductor Energy Laboratory Co., Ltd. (Davis, Ahmed) (Entered: 03/10/2026)

4. #2232026-02-13

   ORDERED that Defendanf s Motion to Stay (Dkt. 199) ("Motion") is DENIED withoutprejudice. Signed by District Judge Patricia Tolliver Giles on 2/13/2026. (swil) (Entered: 02/13/2026)

5. #2222025-12-15

   STATUS REPORT (JOINT) by Semiconductor Energy Laboratory Co., Ltd.. (Davis, Ahmed) (Entered: 12/15/2025)

6. #2212025-10-06

   JOINT STATUS REPORT by Amperex Technology Limited. (Reilly, Craig) (Entered: 10/06/2025)

7. #2202025-09-03

   ORDERED that the request for the Court to defer ruling on the pending motion to stay (Dkt. 219) is GRANTED; and it is further ORDERED that the parties shall provide the Court with a status report within ten (10) days of September 25, 2025 in re 219 STATUS REPORT (JOINT STATEMENT REGARDING DKT. 218). Signed by District Judge Patricia Tolliver Giles on 09/03/2025. (triv) (Entered: 09/03/2025)

8. #2192025-08-28

   STATUS REPORT (JOINT STATEMENT REGARDING DKT. 218) by Amperex Technology Limited. (Reilly, Craig) Modified on 8/29/2025 (triv). (Entered: 08/28/2025)

9. #2182025-08-14

   ORDER that the hearing on Deft's 199 MOTION to Stay currently set for 09/04/2025, at 10:00 a.m. is TERMINATED; the parties meet and confer in order to attempt to resolve this Motion within ten (10) days of this Order; the parties provide the Court with a status report within two (2) weeks of this Order on the outcome of the meet-and-confer. Should the parties fail to reach a resolution, the Court will then determine whether to set a hearing or decide the matter on the papers (see Order for details). Signed by District Judge Patricia Tolliver Giles on 08/14/25. (pmil, ) (Entered: 08/14/2025)

10. 2025-07-01

    Reset Deadline as to 199 MOTION to Stay. Motion Hearing set for 9/4/2025 at 10:00 AM in Alexandria Courtroom 801 before District Judge Patricia Tolliver Giles. (pmil, )

11. 2025-06-30

    Set Deadline as to 199 MOTION to Stay. Motion Hearing set for 7/31/2025 at 10:00 AM in Alexandria Courtroom 801 before District Judge Patricia Tolliver Giles. (triv)

12. 2024-12-05

    Minute Entry for proceedings held before Magistrate Judge Lindsey R. Vaala: Settlement conference conducted on December 5, 2024 in Courtroom 501. All counsel participated in person and all parties participated via video conference. The matter did not settle. (nneb)

13. 2024-10-17

    Settlement Conference set for 12/5/2024 at 10:00 AM in Alexandria Courtroom 501 before Magistrate Judge Lindsey R. Vaala. (nneb)

14. 2024-07-22

    Set Deadline as to 113 MOTION to Amend/Correct 88 Answer to Counterclaim. Motion Hearing set for 7/26/2024 at 10:00 AM in Alexandria Courtroom 501 before Magistrate Judge Lindsey R. Vaala. (triv)

15. 2024-07-22

    Reset Deadlines as to 113 MOTION to Amend/Correct 88 Answer to Counterclaim. Motion Hearing reset for 7/31/2024 at 03:00 PM in Alexandria Courtroom 501 before Magistrate Judge Lindsey R. Vaala. (nneb)

16. 2024-04-22

    Reset Hearings: Initial Pretrial Conference reset for 4/25/2024 at 02:30 PM in Alexandria Telephonically before Magistrate Judge Lindsey R. Vaala. (nneb)

17. 2023-09-08

    Notice of Correction re 40 Affidavit. Unfortunately, the document number was filed using the wrong docket event. The "Declaration" event was incorrectly filed as "Affidavit." The clerk's office staff corrected this error. No further action is required at this time. (Dest)

18. 2023-09-08

    Set Deadline as to 38 MOTION to Stay Pending Inter Partes Review. Motion Hearing set for 10/5/2023 at 10:00 AM in Alexandria Courtroom 801 before District Judge Patricia Tolliver Giles. (wgar, )

19. 2023-06-27

    Set Deadline as to 27 MOTION to Dismiss for Failure to State a Claim Motion to Dismiss Counterclaims Doc. 23. Motion Hearing set for 8/3/2023 at 10:00 AM in Alexandria Courtroom 801 before District Judge Patricia Tolliver Giles. (wgar, )

20. 2023-02-28

    Initial Case Assignment to District Judge Patricia Tolliver Giles and Magistrate Judge Lindsey R. Vaala. (Dest)

Docket history from CourtListener/RECAP — most recent first.