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IN THE UNITED STATES DISTRICT COURT

FOR THE EASTERN DISTRICT OF TEXAS

MARSHALL DIVISION

HEADWATER RESEARCH LLC,

Plaintiff,

v.

T-MOBILE USA, INC. AND SPRINT CORP.,

Defendants.

Case No. 2:23-cv-00379-JRG-RSP

LEAD CASE

JURY TRIAL DEMANDED

HEADWATER RESEARCH LLC,

Plaintiff,

v.

T-MOBILE USA, INC. AND SPRINT CORP.,

Defendants.

Case No. 2:23-cv-00377-JRG-RSP

JURY TRIAL DEMANDED

JOINT CLAIM CONSTRUCTION CHART (LOCAL P.R. 4-5(d))

Pursuant to Local Patent Rule 4-5(d), and the Court’s Second Amended Docket Control 

Order (Dkt. 87), Plaintiff Headwater Research, LLC (“Headwater”) and Defendants T-Mobile 

USA, Inc. and Sprint Corp. (collectively, “Defendants” or “T-Mobile”) (all together, the “parties”)

respectfully submit the following Joint Claim Construction Chart containing the agreed and 

disputed claim terms, phrases, or clauses of U.S. Patent Nos. 8,589,541 (the “’541 Patent”); 

9,198,042 (the “’042 Patent”); and 9,215,613 (the “’613 Patent”). A chart identifying the parties’ 

disputed constructions is attached hereto as Exhibit A, listing the complete language of claims with 

Case 2:23-cv-00379-JRG-RSP Document 105 Filed 11/05/24 Page 1 of 5 PageID #: 7719
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terms in bold type and separate columns for each party’s proposed construction, pursuant to P.R. 

4-5(d). The parties have not agreed upon any constructions.

Case 2:23-cv-00379-JRG-RSP Document 105 Filed 11/05/24 Page 2 of 5 PageID #: 7720
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Dated: November 5, 2024

/s/ Katherine Q. Dominguez

Katherine Q. Dominguez 

(NY Bar No. 4741237)

kdominguez@gibsondunn.com

Josh A. Krevitt 

(NY Bar No. 2568228)

jkrevitt@gibsondunn.com

Brian Rosenthal

(NY Bar No. 3961380)

brosenthal@gibsondunn.com

GIBSON, DUNN & CRUTCHER LLP

200 Park Avenue

New York, NY 10166-0193

Telephone: (212) 351-4000

Facsimile: (212) 351-4035

Robert Vincent

rvincent@gibsondunn.com

GIBSON, DUNN & CRUTCHER LLP

2001 Ross Avenue, Suite 2100

Dallas, Texas 75201-2923

Telephone: (214) 698-3100

Facsimile: (214) 571-2900

Andrew W. Robb 

(CA Bar No. 291438)

arobb@gibsondunn.com

GIBSON, DUNN & CRUTCHER LLP

310 University Ave

Palo Alto, CA 94301

Telephone: (650) 849-5300

Michelle Zhu

mzhu@gibsondunn.com

GIBSON, DUNN & CRUTCHER LLP

1050 Connecticut Avenue, N.W.

Washington, DC 20036

Telephone: (202) 777-9413

Melissa R. Smith

melissa@gillamsmithlaw.com

GILLIAM & SMITH, LLP

303 South Washington Avenue

/s/ Marc Fenster

Marc Fenster

CA State Bar No. 181067

Email: mfenster@raklaw.com

Reza Mirzaie

CA State Bar No. 246953

Email: rmirzaie@raklaw.com

Brian Ledahl

CA State Bar No. 186579

Email: bledahl@raklaw.com

Ben Wang

CA State Bar No. 228712

Email: bwang@raklaw.com

Adam Hoffman

CA State Bar No. 218740

Email: ahoffman@raklaw.com

Dale Chang

CA State Bar No. 248657

Email: dchang@raklaw.com

Paul Kroeger

CA State Bar No. 229074

Email: pkroeger@raklaw.com

Neil A. Rubin

CA State Bar No. 250761

Email: nrubin@raklaw.com

Kristopher Davis

CA State Bar No. 329627

Email: kdavis@raklaw.com

James S. Tsuei

CA State Bar No. 285530

Email: jtsuei@raklaw.com

Philip Wang

CA State Bar No. 262239

Email: pwang@raklaw.com

Amy Hayden

CA State Bar No. 287026

Email: ahayden@raklaw.com

Jason M. Wietholter

CA State Bar No. 337139

Email: jwietholter@raklaw.com

Qi (Peter) Tong

TX State Bar No. 24119042 

Email: ptong@raklaw.com

Case 2:23-cv-00379-JRG-RSP Document 105 Filed 11/05/24 Page 3 of 5 PageID #: 7721
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Marshall, TX 75670

Telephone: (903) 934-8450

Facsimile: (903) 934-9257

Attorneys for Defendants 

T-Mobile USA, Inc. and Sprint Corp.

RUSS AUGUST & KABAT

12424 Wilshire Blvd., 12th Floor

Los Angeles, CA 90025

Telephone: 310-826-7474

Andrea L. Fair

TX State Bar No. 24078488 

MILLER FAIR HENRY PLLC 

1507 Bill Owens Parkway 

Longview, Texas 75604 

Telephone: 903-757-6400 

andrea@millerfairhenry.com

Attorneys for Plaintiff

Headwater Research LLC

Case 2:23-cv-00379-JRG-RSP Document 105 Filed 11/05/24 Page 4 of 5 PageID #: 7722
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CERTIFICATE OF SERVICE

I hereby certify that all counsel of record who are deemed to have consented to electronic 

service are being served this 5th day of November 2024, with a copy of this document via the 

Court’s CM/ECF system per Local Rule CV-5(a)(3).

/s/ Marc Fenster

Marc Fenster

Case 2:23-cv-00379-JRG-RSP Document 105 Filed 11/05/24 Page 5 of 5 PageID #: 7723