Patent suits filed Sept. 26, 2012, in the U.S. District Court for the Eastern District of Texas

TQP Development LLC v. Ally Financial Inc.
Civil Action No: 2:12-cv-00616-MHS-CMC
Cause of Action: Filed for the alleged infringement of U.S. Patent No. 5,412,730, entitled “Encrypted Data Transmission System Employing Means for Randomly Altering the Encryption Keys.”
Plaintiff’s Attorneys: Marc A. Fenster, Kevin P. Burke, Adam S. Hoffman and Alexander C.D. Giza, Russ August & Kabat, Los Angeles; Hao Ni, Ni Law Firm, Dallas; Andrew W. Spangler and James A. Fussell III, Spangler & Fussell, Longview

TQP Development LLC v. Avon Products Inc.
Civil Action No: 2:12-cv-00617-MHS-CMC
Cause of Action: Filed for the alleged infringement of U.S. Patent No. 5,412,730, entitled “Encrypted Data Transmission System Employing Means for Randomly Altering the Encryption Keys.”
Plaintiff’s Attorneys: Marc A. Fenster, Kevin P. Burke, Adam S. Hoffman and Alexander C.D. Giza, Russ August & Kabat, Los Angeles; Hao Ni, Ni Law Firm, Dallas; Andrew W. Spangler and James A. Fussell III, Spangler & Fussell, Longview

TQP Development LLC v. BestBuy.com LLC
Civil Action No: 2:12-cv-00618-MHS-CMC
Cause of Action: Filed for the alleged infringement of U.S. Patent No. 5,412,730, entitled “Encrypted Data Transmission System Employing Means for Randomly Altering the Encryption Keys.”
Plaintiff’s Attorneys: Marc A. Fenster, Kevin P. Burke, Adam S. Hoffman and Alexander C.D. Giza, Russ August & Kabat, Los Angeles; Hao Ni, Ni Law Firm, Dallas; Andrew W. Spangler and James A. Fussell III, Spangler & Fussell, Longview

TQP Development LLC v. Boost Mobile LLC
Civil Action No: 2:12-cv-00619-MHS-CMC
Cause of Action: Filed for the alleged infringement of U.S. Patent No. 5,412,730, entitled “Encrypted Data Transmission System Employing Means for Randomly Altering the Encryption Keys.”
Plaintiff’s Attorneys: Marc A. Fenster, Kevin P. Burke, Adam S. Hoffman and Alexander C.D. Giza, Russ August & Kabat, Los Angeles; Hao Ni, Ni Law Firm, Dallas; Andrew W. Spangler and James A. Fussell III, Spangler & Fussell, Longview

Data Engine Technologies LLC v. Apple Inc.
Civil Action No: 6:12-cv-00697-LED
Cause of Action: Filed for the alleged infringement of U.S. Patent No. 5,463,724, entitled “System and Methods for Improved Spreadsheet Interface with User-Familiar Objects.”
Plaintiff’s Attorneys: Amir Alavi, Demetrios Anaipakos, Steven J. Mitby and Brian E. Simmons, Ahmad, Zavitsanos, Anaipakos, Alavi & Mensing, Houston; T. John Ward Jr. and Wesley Hill, Ward & Smith Law Firm, Longview