Lenovo (United States) Inc. et al. vs. Collision Communications, Inc.

Explore the PTAB proceeding IPR2025-00927 filed by Lenovo (United States) Inc. et al. on 2025-04-25. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00927

Filing Date

2025-04-25

Accorded Filing Date

2025-04-25

Institution Decision Date

2025-09-19

Last Modified Date

2025-10-27

Proceeding Type

IPR

Termination Date

2025-09-19

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Lenovo (United States) Inc. et al.

Represented By

Riffe, Timothyet al

Patent Owner / Respondent

Collision Communications, Inc.

Represented By

Meunier, Williamet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 11532125

Respondent Patent Number 7593492

External Links

Espacenet

Google Patents

Respondent Inventor Mark Lande

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

2 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Collision Communications, Inc.

Customer Number 114420

Address 20 Depot Street, Suite 2A, Peterborough, NH, 03458, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
59389	Justin Nifong	919-348-2194
65727	Douglas Meier	919-348-2194

Proceeding Documents

Notice: refund approved NOTICE

2025-10-27 FILING PARTY: BOARD

Download

Petitioner's Request for Refund OTHER

2025-10-20 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2025-09-19 FILING PARTY: BOARD

Download

1109

Complaint for Patent Infringement in Collision Communications Inc v Lenovo Group Ltd., 2-23-cv-00594 (EDTX), Dec 12 2023 Exhibit

2025-08-25 FILING PARTY: PETITIONER

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1115

Complaint for Patent Infringement in Collision Communications Inc v Nokia Corp, 2-21-cv-00308 (EDTX) Aug 10, 2021 Exhibit

2025-08-25 FILING PARTY: PETITIONER

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Lenovo (United States) Inc. et al. vs. Collision Communications, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Lenovo (United States) Inc. et al.

Represented By

Patent Owner / Respondent

Collision Communications, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund OTHER

Director Discretionary Decision: Deny RESPONSE

Complaint for Patent Infringement in Collision Communications Inc v Lenovo Group Ltd., 2-23-cv-00594 (EDTX), Dec 12 2023 Exhibit

Complaint for Patent Infringement in Collision Communications Inc v Nokia Corp, 2-21-cv-00308 (EDTX) Aug 10, 2021 Exhibit

Data & Demographics: Major Employers Exhibit

Petitioner's Opposition to Patent Owner's Discretionary Denial Brief RESPONSE

First US Assembly Plant for China's Lenovo Opens in NC Exhibit

Interim Processes for PTAB Workload Management Exhibit

Docket Control Order in Collision Communications, Inc v Nokia Networks and Solutions Oy et al., 2-21-cv-00308 (EDTX) (Aug 5, 2024) Exhibit

North Carolina Technology Day 2024 by the Governor of the State of North Carolina: A Proclamation Exhibit

Get Involved: This is your formal invitation to consider joining 3GPP, via one of the Partners Exhibit

Linkedin: Motorola Mobility (a Lenovo Company) Exhibit

FAQs for Interim Processes for PTAB Workload Management Exhibit

EX2001 Exhibit

Patent Owner's Preliminary Response POPR

EX2003 Exhibit

Order Granting Stay in Cellspin Soft Inc v Bytedance Ltd, et al., case no 2:23-CV-00496-JRG-RSP (EDTX) Exhibit

EX2004 Exhibit

EX2005 Exhibit

EX2002 Exhibit

Order Granting Stay in Maxeon Solar PTE LTD v Hanwha Solutions Corp et al., case no 2:24-CV-00262-JRG (EDTX) Exhibit

Complaint for Patent Infringement in Collision Communications Inc v Eri, 2-21-cv-00308 (EDTX) Aug 10, 2021 Exhibit

EX2106 Exhibit

EX2102 Exhibit

Patent Owner's Request for Discretionary Denial of Institution RESPONSE

EX2103 Exhibit

EX2107 Exhibit

EX2105 Exhibit

EX2104 Exhibit

EX2101 Exhibit

Petitioners' Updated Exhibit List NOTICE

June 4, 2025 Sotera Stipulation Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

An iterative Multiuser Receiver Using Partial Parallel Interference (2004) Exhibit

Notice: Power of Attorney NOTICE

Direction of Arrival Estimation Using the Parameterized Spatial Correlation Exhibit

U.S. Publication No. 2003/0193966 (“Mills”) Exhibit

Interim Processes - PTAB - 2025 Exhibit

U.S. Publication No. 2006/0188031 (“Liu”) Exhibit

Single- and Multi-Carrier CDMA: Multi-User Detection (2003) Exhibit

Harville, Matrix Algebra From a Statistician’s Perspective (1997) Exhibit

Iterative Multiuser Interference Reduction: Turbo CDMA (1999) Exhibit

U.S. Publication No. 2002/0037061 (“Learned”) Exhibit

Hybrid Iterative Multiuser Detection for Channel Coded Space 2006 Exhibit

Adaptive Symbol and Parameter Estimation in Asynchronous Multiuser (1997) Exhibit

Application of Density Evolution in Turbo-MUD Design (2004) Exhibit

U.S. Publication No. 2004/0213360 (“McElwain”) Exhibit

Multi-User Detection for DS-CDMA Communications (1996) Exhibit

Samsung v. Collision Communications IPR2024-01247, Paper No. 14 Exhibit

U.S. Patent No. 7,593,492 to Robinson et al. (“the ’492 Patent”) Exhibit

Declaration of Dr. Paul S. Min with CV Exhibit

The Eigen-decomposition: Eigenvalues and Eigenvectors (2007) Exhibit

Hopfield Neural Network Implementation of the Optimal CDMA (1995) Exhibit

Correlation Matrix Distance 2005 Exhibit

Prosecution History of the ’492 Patent (“the Prosecution History”) Exhibit

Complexity in Geometric SINR (2007) Exhibit

Boardside Chat Slides Exhibit

U.S. Publication No. 2007/0060061 (“Sampath”) Exhibit

A Low-Complexity Iterative Multiuser Receiver for Turbo-Coded (2001) Exhibit

Claim Construction Order 2-21-cv-00308 Exhibit

Computational Complexity and Performance of RAKE Receivers (2005) Exhibit

Adaptive Modulation and Adaptive Antenna Array Assisted Network (2002) Exhibit