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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. 

ZTE CORPORATION

 Defendant. 

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C.A. NO. 6:20-cv-00487-ADA

C.A. NO. 6:20-cv-00488-ADA

C.A. NO. 6:20-cv-00489-ADA

C.A. NO. 6:20-cv-00490-ADA

C.A. NO. 6:20-cv-00491-ADA

C.A. NO. 6:20-cv-00492-ADA

C.A. NO. 6:20-cv-00493-ADA

C.A. NO. 6:20-cv-00494-ADA

C.A. NO. 6:20-cv-00495-ADA

C.A. NO. 6:20-cv-00496-ADA

C.A. NO. 6:20-cv-00497-ADA

ZTE CORPORATION’S NOTICE OF INSTITUTION OF INTER PARTES REVIEW 

AND GRANT OF EX PARTE REEXAMINATION 

REGARDING ALL 11 OF THE ASSERTED PATENTS

Defendant ZTE Corporation (“ZTE”) respectfully notifies the Court that, as of August 4, 

2022, all 11 of the asserted patents in the 11 cases, as filed against ZTE by WSOU Investments 

LLC d/b/a Brazos Licensing and Development (“WSOU”), are currently undergoing review, by 

the Patent Trial and Appeal Board (“PTAB”) and/or the United States Patent and Trademark Office 

(“USPTO”). 

For four of the 11 patents, the PTAB instituted inter partes review for U.S. Patent Nos. 

7,742,534 (“the ’534 patent”); 7,203,505 (“the ’505 patent”); 8,179,960 (“the ’960 patent”); and 

8,147,071 (“the ’071 patent”). In addition, ZTE has also filed a request for ex parte reexamination

on all claims of the ’505 patent and the ’534 patent, and those reexamination proceeding are 

pending. 

For the other seven of the 11 patents, the USPTO has also granted ex parte reexaminations 

on all claims of U.S. Patent Nos. 7,487,240 (“the ’240 patent”); 8,451,839 (“the ’839 patent”); 

Case 6:20-cv-00487-ADA-DTG Document 240 Filed 08/10/22 Page 1 of 5
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8,730,905 (“the ’905 patent”); 9,185,036 (“the ’036 patent”); 9,258,232 (“the ’232 patent”); 

9,294,060 (“the ’060 patent”); and 7,489,929 (“the ’929 patent”). All of these reexaminations are 

still pending. 

A chart detailing the status of each patent is below.

Asserted Patent Status Case No./Re-examination 

Application No.

7,742,534 Inter partes review instituted 

on all claims by the PTAB

IPR2021-00699

Request for ex parte 

reexamination on all claims 

filed August 4, 2022

N/A

7,203,505 Inter partes review instituted 

on all claims by the PTAB

IPR2021-00698

Request for ex parte 

reexamination on all claims

filed July 29, 2022

N/A

8,179,960 Inter partes review instituted 

on all claims by the PTAB

IPR2021-00696

8,147,071 Inter partes review instituted 

on all claims by the PTAB

IPR2021-00695

Case 6:20-cv-00487-ADA-DTG Document 240 Filed 08/10/22 Page 2 of 5
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7,487,240 Ex parte reexamination 

granted on all claims by the 

USPTO on June 28, 2022

90/019,083

8,451,839 Ex parte reexamination 

granted on all claims by the 

USPTO on June 28, 2022

90/019,078

8,730,905 Ex parte reexamination 

granted on all claims by the 

USPTO on July 13, 2022

90/019,077

9,185,036 Ex parte reexamination 

granted on all claims by the 

USPTO on July 1, 2022

90/019,086

9,258,232 Ex parte reexamination 

granted on all claims by the 

USPTO on July 29, 2022

90/019,094

9,294,060 Ex parte reexamination 

granted on all claims by the 

USPTO on July 12, 2022

90/015,031

7,489,929 Ex parte reexamination 

granted on all claims by the 

USPTO on June 24, 2022

90/015,029

Case 6:20-cv-00487-ADA-DTG Document 240 Filed 08/10/22 Page 3 of 5
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Now that all 11 of the asserted patents in the eleven cases are subject to review by the 

USPTO, ZTE plans to submit a forthcoming motion to stay, pending the outcome of these USPTO 

proceedings. 

Date: August 10, 2022 

/s/Lionel M. Lavenue 

Lionel M. Lavenue 

Virginia Bar No. 49,005 

lionel.lavenue@finnegan.com

Bradford C. Schulz 

Virginia Bar No. 91,057 

Bradford.schulz@finnegan.com

FINNEGAN, HENDERSON, FARABOW, 

GARRETT & DUNNER, LLP

1875 Explorer Street, Suite 800 

Reston, VA 20190 

Phone: (571) 203-2700 

 Fax: (202) 408-4400 

Attorneys for Defendant, 

ZTE Corporation

Case 6:20-cv-00487-ADA-DTG Document 240 Filed 08/10/22 Page 4 of 5
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CERTIFICATE OF SERVICE

 The undersigned hereby certifies that all counsel of record who are deemed to have 

consented to electronic service are being served with a copy of this document via the Court’s 

CM/ECF system on August 10, 2022. 

/s/Lionel M. Lavenue 

 Lionel M. Lavenue 

Case 6:20-cv-00487-ADA-DTG Document 240 Filed 08/10/22 Page 5 of 5