IN THE UNITED STATES DISTRICT COURT 

FOR THE EASTERN DISTRICT OF TEXAS 

MARSHALL DIVISION 

COBBLESTONE WIRELESS, LLC, 

 Plaintiff,

 v. 

CISCO SYSTEMS, INC. 

Defendant. 

Case No. 2:23-cv-00454 JRG-RSP 

(LEAD CASE)

JURY TRIAL DEMANDED 

COBBLESTONE WIRELESS, LLC, 

v. 

HEWLETT PACKARD ENTERPRISE 

COMPANY; ARUBA NETWORKS, LLC 

Defendants. 

Case No. 2:23-cv-00457-JRG-RSP 

(MEMBER CASE) 

JURY TRIAL DEMANDED

NOTICE OF INTER PARTES REVIEW PETITION 

Pursuant to the Court’s Standing Order Requiring Notice of Relevant Determinations From 

Related Proceedings, Defendants Cisco Systems, Inc., Hewlett Packard Enterprise Company, and 

Aruba Networks, LLC (“Defendants”) hereby notify the Court that Defendants filed a petition for 

inter partes review against U.S. Patent No. 7,924,802 (the only patent-in-suit in this case) and the 

proceeding has been accorded a filing date of March 19, 2024 (see Ex. A Notice of Filing Date). 

Any patent owner preliminary response is therefore due by June 27, 2024, and an institution 

decision is expected no later than September 27, 2024. 

In addition, the following proceedings to which Defendants are not a party are pending and 

implicate the ’802 Patent or related patents: 

Case 2:23-cv-00454-JRG-RSP Document 51 Filed 04/02/24 Page 1 of 5 PageID #: 260
2 

Proceeding Name Proceeding Number 

and Date Filed 

Nature of Proceeding 

Samsung Elecs. Am., Inc. v. 

Cobblestone Wireless, LLC

IPR2024-00606 (Feb. 26, 

2024) 

IPR challenging claims 1-

10, 13-14, 17, 21-25 

Ex Parte Reexamination filed by 

Unified Patents LLC 

90/019,458 Ex Parte Reexamination

challenging claims 1-15, 

17-23 

 

 

Case 2:23-cv-00454-JRG-RSP Document 51 Filed 04/02/24 Page 2 of 5 PageID #: 261
3 

Dated: April 2, 2024 Respectfully submitted, 

/s/ Holly Engelmann 

Holly Engelmann 

State Bar No. 24040865 

DUANE MORRIS LLP 

Terrace 7 

2801 Via Fortuna, Suite 200 

Austin, Texas 78746 

Tel: (214) 257-7226 

Fax: (214) 292-9454 

HEngelmann@duanemorris.com 

Louis N. Jameson 

GA State Bar No. 003970 

Matthew S. Yungwirth 

GA State Bar No. 783597 

Jayla C. Grant 

GA State Bar No. 312669 

DUANE MORRIS LLP 

1075 Peachtree Street NE, Suite 1700 

Atlanta, GA 30309 

Tel: (404) 253-6915 

Fax: (404) 253-6901 

WJameson@duanemorris.com 

Msyungwirth@duanemorris.com 

Jcgrant@duanemorris.com 

ATTORNEYS FOR DEFENDANT 

CISCO SYSTEMS, INC. 

/s/ Jennifer H. Doan 

Jennifer H. Doan 

Texas Bar No. 08809050 

Joshua R. Thane 

Texas Bar No. 24060713 

HALTOM & DOAN 

6500 Summerhill Rd., Suite 100 

Texarkana, TX 75503 

Telephone: (903) 255-1000 

Facsimile: (903) 255-0800 

jdoan@haltomdoan.com

jthane@haltomdoan.com

Case 2:23-cv-00454-JRG-RSP Document 51 Filed 04/02/24 Page 3 of 5 PageID #: 262
4 

Matthew S. Yungwirth 

GA State Bar No. 783597 

DUANE MORRIS LLP 

1075 Peachtree Street NE, Suite 1700 

Atlanta, GA 30309 

Telephone: 404.253.6900 

Facsimile: 404.253.6901 

msyungwirth@duanemorris.com 

Tyler Marandola 

PA State Bar No. 313585 

DUANE MORRIS LLP 

30 S. 17th St. 

Philadelphia, PA 19103 

Telephone: 215.979.1000 

Facsimile: 215.979.1020 

tmarandola@duanemorris.com 

ATTORNEYS FOR DEFENDANTS 

HEWLETT PACKARD ENTERPRISE 

COMPANY AND ARUBA NETWORKS, LLC

 

Case 2:23-cv-00454-JRG-RSP Document 51 Filed 04/02/24 Page 4 of 5 PageID #: 263
5 

CERTIFICATE OF SERVICE 

The undersigned counsel hereby certifies that on April 2, 2024 a true and correct copy of 

the foregoing was electronically mailed to counsel of record. 

 /s/ Holly Engelmann 

 Holly Engelmann 

Case 2:23-cv-00454-JRG-RSP Document 51 Filed 04/02/24 Page 5 of 5 PageID #: 264