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Cellspin Soft, Inc. v. SZ DJI Technology Co., Ltd.

2:25-cv-00949

Overview

Case Number 2:25-cv-00949

Filing Date 2025-09-15

Status Litigation filed

Court District Court, E.D. Texas (txed)

Presiding Judge Rodney Gilstrap

Nature of Suit 830 Patent

Jurisdiction Type Federal Question

Cause of Action 35:271 Patent Infringement

Jury Demand Both

Parties

Defendant

SZ DJI Technology Co., Ltd.

Represented By

5 Attorneys Listed

Ryan Ephraim Hatch

Law Office of Ryan E. Hatch

Tel: +1 (310) 279-5076

Fax: +1 (310) 693-5328

13323 Washington Blvd., Suite 100, Los Angeles, CA 90066

Cleary Gottlieb Steen & Hamilton LLP

Tel: +1 (415) 796-4400

650 California St, Suite 2400

Melissa Richards Smith

Gillam & Smith, LLP

Tel: +1 (903) 934-8450

Fax: +1 (903) 934-9257

303 South Washington Avenue, Marshall, TX 75670

Gregory K Sobolski

Cleary Gottlieb Steen & Hamilton LLP

Tel: +1 (415) 796-4390

650 California St, Suite 2400

Cleary Gottlieb Steen & Hamilton LLP

Tel: +1 (212) 225-2516

One Liberty Plaza, New York, NY 10006

Plaintiff

Cellspin Soft, Inc.

Represented By

1 Attorneys Listed

Randall T Garteiser

Garteiser Honea PLLC

Tel: +1 (903) 705-7420

Fax: +1 (903) 405-3999

119 W. Ferguson St., Tyler, TX 75702

Counter Claimant

DJI Europe B.V.

Represented By

5 Attorneys Listed

Ryan Ephraim Hatch

Law Office of Ryan E. Hatch

Tel: +1 (310) 279-5076

Fax: +1 (310) 693-5328

13323 Washington Blvd., Suite 100, Los Angeles, CA 90066

Cleary Gottlieb Steen & Hamilton LLP

Tel: +1 (415) 796-4400

650 California St, Suite 2400

Melissa Richards Smith

Gillam & Smith, LLP

Tel: +1 (903) 934-8450

Fax: +1 (903) 934-9257

303 South Washington Avenue, Marshall, TX 75670

Gregory K Sobolski

Cleary Gottlieb Steen & Hamilton LLP

Tel: +1 (415) 796-4390

650 California St, Suite 2400

Cleary Gottlieb Steen & Hamilton LLP

Tel: +1 (212) 225-2516

One Liberty Plaza, New York, NY 10006

Court & Judges

Court

District Court, E.D. Texas (txed)

Presiding Judge

Rodney Gilstrap

Patents Involved

1 Patent

There is a single patent involved in this case.

Application Number	Patent Number	External Links
-	US10425806	Espacenet Google Patents

Docket Entries

COMPLAINT against DJI Europe B.V., SZ DJI Technology Co., Ltd. ( Filing fee $ 405 receipt number ATXEDC-11092083.), filed by Cellspin Soft, Inc.. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit A - Patent, # 3 Exhibit B - Patent, # 4 Exhibit C - Patent, # 5 Exhibit D - Claim Chart, # 6 Exhibit E - Claim Chart, # 7 Exhibit F - Claim Chart, # 8 Exhibit G - Claim Chart, # 9 Exhibit H - Claim Chart, # 10 Exhibit I - Claim Chart)(Garteiser, Randall) (Entered: 09/15/2025)

2025-09-15

1

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COMPLAINT against DJI Europe B.V., SZ DJI Technology Co., Ltd. ( Filing fee $ 405 receipt number ATXEDC-11092083.), filed by Cellspin Soft, Inc.. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit A - Patent, # 3 Exhibit B - Patent, # 4 Exhibit C - Patent, # 5 Exhibit D - Claim Chart, # 6 Exhibit E - Claim Chart, # 7 Exhibit F - Claim Chart, # 8 Exhibit G - Claim Chart, # 9 Exhibit H - Claim Chart, # 10 Exhibit I - Claim Chart)(Garteiser, Randall) (Entered: 09/15/2025)

2025-09-15

2

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COMPLAINT against DJI Europe B.V., SZ DJI Technology Co., Ltd. ( Filing fee $ 405 receipt number ATXEDC-11092083.), filed by Cellspin Soft, Inc.. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit A - Patent, # 3 Exhibit B - Patent, # 4 Exhibit C - Patent, # 5 Exhibit D - Claim Chart, # 6 Exhibit E - Claim Chart, # 7 Exhibit F - Claim Chart, # 8 Exhibit G - Claim Chart, # 9 Exhibit H - Claim Chart, # 10 Exhibit I - Claim Chart)(Garteiser, Randall) (Entered: 09/15/2025)

2025-09-15

2

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COMPLAINT against DJI Europe B.V., SZ DJI Technology Co., Ltd. ( Filing fee $ 405 receipt number ATXEDC-11092083.), filed by Cellspin Soft, Inc.. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit A - Patent, # 3 Exhibit B - Patent, # 4 Exhibit C - Patent, # 5 Exhibit D - Claim Chart, # 6 Exhibit E - Claim Chart, # 7 Exhibit F - Claim Chart, # 8 Exhibit G - Claim Chart, # 9 Exhibit H - Claim Chart, # 10 Exhibit I - Claim Chart)(Garteiser, Randall) (Entered: 09/15/2025)

2025-09-15

2

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