Range Energy Inc. v. Hyliion Inc. - Patent Case Filing

NDCA Recently Filed Documents

Filed March 17th, 2026

Detected March 19th, 2026

Summary

Range Energy Inc. has filed a patent infringement lawsuit against Hyliion Inc. in the U.S. District Court for the Northern District of California. The case was filed on March 17, 2026, and includes claims related to patent infringement and declaratory judgment.

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What changed

Range Energy Inc. initiated a civil lawsuit against Hyliion Inc. on March 17, 2026, in the U.S. District Court for the Northern District of California, Case Number 5:26-cv-02311. The complaint asserts claims for declaratory judgment of non-infringement and invalidity, indicating a dispute over patent rights. The filing includes a complaint, civil cover sheet, corporate disclosure statement, and a report on patent filings.

This filing marks the commencement of litigation. The court has issued summons to Hyliion Inc. and set an initial case management conference for June 15, 2026. A Case Management Statement is due by June 8, 2026. Companies involved in patent disputes should be aware of the ongoing proceedings and potential implications for their intellectual property.

What to do next

Review complaint and related filings for Hyliion Inc.
Prepare for potential involvement or monitoring of Case Number 5:26-cv-02311
Ensure compliance with any court-ordered deadlines, such as the Case Management Statement due June 8, 2026

Source document (simplified)

RANGE ENERGY INC., v. HYLIION INC.

Case Number: 5:26-cv-02311 Location: San Jose Case Type: Civil Case Basis: Federal Question Nature of Suit: Patent Date Filed:

March 17, 2026

Last Filing Date:

March 17, 2026

View Publicly Available Documents Case Summary No summary of this case is available

Recent Filings

| Date Filed | Docket Number | Document Description |
| --- | --- | --- |
| 03-19-26 | 9 | Summons Issued as to Hyliion Inc.. (pjf, COURT STAFF) |
| 03-18-26 | 7 | Initial Case Management Scheduling Order with ADR Deadlines: Case Management Statement due by 6/8/2026. Initial Case Management Conference set for 6/15/2026 01:30 PM in San Francisco, - Videoconference Only. (pjf, COURT STAFF) (Filed on 3/18/2 |
| 03-18-26 | 8 | Summons Issued as to Hyliion Inc.. (pjf, COURT STAFF) |
| 03-17-26 | 1 | COMPLAINT FOR DECLARATORY JUDGEMENT OF NON-INFRINGEMENT AND INVALIDITY against HYLIION INC. ( Filing fee $ 405, receipt number ACANDC-21764647.). Filed by RANGE ENERGY INC.,. (Berten, David) |
| 03-17-26 | 2 | Civil Cover Sheet by RANGE ENERGY INC., . (Berten, David) |
| 03-17-26 | 3 | Corporate Disclosure Statement by RANGE ENERGY INC., (Berten, David) |
| 03-17-26 | 4 | REPORT on the filing or determination of an action regarding Patents (cc: form mailed to register). (Berten, David) |
| 03-17-26 | 5 | Proposed Summons. (Berten, David) |
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