Joint Stipulation Regarding Markman Briefing Page | 1

IN THE UNITED STATES DISTRICT COURT

FOR THE WESTERN DISTRICT OF TEXAS 

WACO DIVISION

WSOU INVESTMENTS, LLC D/B/A 

BRAZOS LICENSING AND 

DEVELOPMENT,

Plaintiff,

v. 

MICROSOFT CORPORATION,

Defendant.

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CIVIL ACTION 6:20-cv-00454-ADA

CIVIL ACTION 6:20-cv-00455-ADA

CIVIL ACTION 6:20-cv-00456-ADA

CIVIL ACTION 6:20-cv-00457-ADA

CIVIL ACTION 6:20-cv-00458-ADA

CIVIL ACTION 6:20-cv-00459-ADA

CIVIL ACTION 6:20-cv-00460-ADA

CIVIL ACTION 6:20-cv-00461-ADA

CIVIL ACTION 6:20-cv-00462-ADA

CIVIL ACTION 6:20-cv-00463-ADA

CIVIL ACTION 6:20-cv-00464-ADA

CIVIL ACTION 6:20-cv-00465-ADA

JOINT STIPULATION REGARDING MARKMAN BRIEFING

TO THE HONORABLE COURT:

Pursuant to the Court’s previous Orders grouping certain of the above-captioned cases for 

purposes of oral argument at the Markman hearing on March 4-5, 2021, the Parties have reached 

an agreement concerning the number of terms and page limits to govern Markman briefing for the 

above referenced cases. The agreement reached by the parties is set forth below. 

There will be four briefs that cover all of the cases listed above, broken down as follows: 

1. Brief 1: The -455 (‘988 Patent), -457 (‘978 Patent), -459 (‘286 Patent), and -463 (‘241 

Patent) cases. This brief will be limited to 8 terms across these four cases; 20 pages for 

opening and response briefs and 10 pages for reply and sur-reply briefs.

2. Brief 2: The -460 (‘758 Patent), -462 (‘727 Patent), and -464 (‘519 Patent) cases. This 

brief will be limited to 8 terms across these three cases; 20 pages for opening and 

response briefs and 10 pages for reply and sur-reply briefs.

3. Brief 3: The -454 (‘160 Patent), -465 (‘902 Patent), and -461 (‘702 Patent) cases. This 

brief is limited to 20 terms across these three cases; 40 pages for opening and response 

briefs and 25 pages for reply and sur-reply briefs.

Case 6:20-cv-00454-ADA Document 48 Filed 12/30/20 Page 1 of 4
Joint Stipulation Regarding Markman Briefing Page | 2

4. Brief 4: The -456 (‘550 Patent) and -458 (‘868 Patent) cases. This brief is limited to 20 

terms across these three cases; 50 pages for opening and response briefs and 25 pages for 

reply and sur-reply briefs.

Case 6:20-cv-00454-ADA Document 48 Filed 12/30/20 Page 2 of 4
Joint Stipulation Regarding Markman Briefing Page | 3

DATED: December 30, 2020 Respectfully submitted,

By: /s/ Mark D. Siegmund_____ 

Mark D. Siegmund

State Bar No. 24117055

mark@waltfairpllc.com

Law Firm of Walt, Fair PLLC.

1508 North Valley Mills Drive 

Waco, Texas 76710

Telephone: (254) 772-6400

Facsimile: (254) 772-6432

James L. Etheridge

Texas State Bar No. 24059147

Ryan S. Loveless

Texas State Bar No. 24036997

Travis L. Richins

Texas State Bar No. 24061296

Brett A. Mangrum

Texas State Bar No. 24065671

Jeffrey Huang

ETHERIDGE LAW GROUP, PLLC

2600 E. Southlake Blvd., Suite 120 / 324

Southlake, Texas 76092

Telephone: (817) 470-7249

Facsimile: (817) 887-5950

Jim@EtheridgeLaw.com

Ryan@EtheridgeLaw.com

Travis@EtheridgeLaw.com

Brett@EtheridgeLaw.com

JeffH@EtheridgeLaw.com

Counsel for Plaintiff WSOU Investments, LLC

Case 6:20-cv-00454-ADA Document 48 Filed 12/30/20 Page 3 of 4
Joint Stipulation Regarding Markman Briefing Page | 4

DATED: December 30, 2020 Respectfully submitted,

By: /s/ Irene Yang_____ 

Barry K. Shelton 

Texas State Bar No. 24055029

SHELTON COBURN LLP

311 RR 620 S, Suite 205

Austin, TX 78734

Telephone: (512) 263-2165

Fax: (512) 263-2166

bshelton@sheltoncoburn.com

Michael J. Bettinger

Irene Yang

SIDLEY AUSTIN LLP

555 California St., Suite 2000

San Francisco, CA 94104

Telephone: (415) 772-1200

Fax: (415) 772-7400

mbettinger@sidley.com 

irene.yang@sidley.com 

Richard A. Cederoth

John W. McBride

SIDLEY AUSTIN LLP

1 South Dearborn St.

Chicago, IL 60603

Telephone: (312) 853-7000

Fax: (312) 853-7036

rcederoth@sidley.com 

jwmcbride@sidley.com 

Attorneys for Defendant Microsoft Corporation

Case 6:20-cv-00454-ADA Document 48 Filed 12/30/20 Page 4 of 4