Pantech Co.,Ltd. v. Lenovo, Inc.
Infringement action filed 3 Jul 2025 in the United States District Court for the Eastern District of Texas and closed 8 Jun 2026, with 4 patents asserted. Recorded basis of termination: dismissed with prejudice.
Case record
- Patents involved
- US11659503B2US12267876B2US9548839B2US11051344B2
- Case no.
- 5:25-cv-00093
- Verdict cause
- Infringement action
- Court
- E.D. Tex.
- Court level
- District Court
- Case region
- Texas
- Chief judge
- None recorded
- Trial level
- First instance
- Filed – Closed
- 3 Jul 2025 – 8 Jun 2026
- Duration
- 340 days
- Basis of termination
- Dismissed with Prejudice
- Products & marks
- Lenovo Tab K11 LTE · Lenovo ThinkPad P16s Gen 3 Intel (16”) Mobile Workstation · Lenovo ThinkPad P16v Gen 2 Intel (16”) Mobile Workstation · Lenovo ThinkPad X1 Fold Intel (16”) · Lenovo mobile phones (e.g., Motorola series) and certain other LTE, LTEA, and 5G-capable devices · Motorola razr 50 · moto g 5G –2024 · moto g power 5G – 2024, moto g play – 2024 · moto g power – 2025 · moto g stylus 2025 · moto g stylus 5G – 2024 · moto g – 2025 · motorola edge – 2024 · motorola edge+ – 2023 · motorola razr 2023 · motorola razr 2024 · motorola razr 2025, motorola razr+ · motorola razr ultra 2025 · motorola razr+ 2023
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Apparatus and method for establishing uplink synchronization in a wireless communication system
Uplink synchronization establishment in a base station which operates a plurality of component carriers according to one embodiment of the present description, is performed in that the base station is connected to a user equipment, sets component carrier aggregation information, generates an uplink timing groups in the set component carrier aggregation, and transmits information on the thus-generated uplink timing groups to the user equipment.
- Legal status
- Active
- Granted
- 23 May 2023
- Earliest priority
- 10 Feb 2010
- Est. expiry
- 10 Feb 2031
- Validity challenges
- None recorded
- Licences recorded
- None recorded
- Inventors
- KWON, KIBUM · JUNG, MYUNGCHEUL
- Classification
- H04W88/08H04W56/00H04W76/27H04L5/00H04W74/00H04W92/10H04B1/7087
- Prosecution counsel
- WOMBLE BOND DICKINSON (US) LLP
- Examiner
- TRUONG, LAN-HUONG
Method for transmitting and receiving random access request and transmitting and receiving random access response
A base station transmits a random access response in response to a random access request (random access preamble) of a user equipment. The random access response includes information about a time when the random access request is transmitted and sequence number information of the random access request (random access preamble). The user equipment checks whether the received random access response is the response of the random access request transmitted by the user equipment, using the information about the time when the random access request is transmitted and the sequence number information included in the received random access response.
- Legal status
- Active
- Granted
- 1 Apr 2025
- Earliest priority
- 22 May 2008
- Est. expiry
- 31 Dec 2028
- Validity challenges
- None recorded
- Licences recorded
- None recorded
- Inventors
- NOH, MIN SEOK · KWON, YEONG HYEON · KWAK, JIN SAM · KIM, DONG CHEOL · MOON, SUNG HO · HAN, SEUNG HEE · LEE, HYUN WOO · VUJCIC, DRAGAN
- Classification
- H04W56/00H04L1/1867H04W72/0446H04W72/21H04W74/00H04W74/08H04W74/0833H04W72/12
- Prosecution counsel
- WOMBLE BOND DICKINSON (US) LLP
- Examiner
- CHAN, SAI MING
Also asserted in this case
2 moreThe docket lists 4 asserted patents. Full bibliographic detail, drawings and prosecution history for the remaining 2 asserted patents are one query away in Eureka.
Parties of record
Pantech Co.,Ltd.
- Core tech
- H04W88/08H04W56/00H04W76/27H04L5/00
- Counsel
- Geoffrey Patton Culbertson · Kelly B. Tidwell
- Firm
- Patton Tidwell & Culbertson LLP, Patton Tidwell & Culbertson LLP (Texarkana)
Lenovo, Inc.
- Core tech
- Not recorded
- Counsel
- Melissa Richards Smith
- Firm
- Gillam & Smith LLP
Counsel of record
| Attorney | For | Role |
|---|---|---|
| Geoffrey Patton Culbertson | Pantech Co.,Ltd. | Plaintiff |
| Kelly B. Tidwell | Pantech Co.,Ltd. | Plaintiff |
| Melissa Richards Smith | Lenovo, Inc. | Defendant |
Basis of termination
From the record · verbatim“It is ORDERED that the above-captioned case is DISMISSED WITH PREJUDICE.”
Case 5:25-cv-00093 · E.D. Tex. · closed 8 June 2026
Related cases
Three questions this record usually leads to. Each one runs against the full litigation and patent corpus, and cites what it finds.
Frequently asked questions
What is case 5:25-cv-00093?
5:25-cv-00093 is a patent infringement action brought by Pantech Co.,Ltd. against Lenovo, Inc., filed on 3 Jul 2025 in the United States District Court for the Eastern District of Texas. The case closed on 8 June 2026.
Which patents were asserted in 5:25-cv-00093?
US11659503B2 (“Apparatus and method for establishing uplink synchronization in a wireless communication system”), assigned to PANTECH CORPORATION, currently active; US12267876B2 (“Method for transmitting and receiving random access request and transmitting and receiving random access response”), assigned to PANTECH CORPORATION, currently active; US9548839B2 (“Method for mapping physical hybrid automatic repeat request indicator channel”), assigned to PANTECH CORPORATION; US11051344B2 (“Method for transmitting and receiving random access request and transmitting and receiving random access response”), assigned to PANTECH CORPORATION. The record also lists Lenovo Tab K11 LTE, Lenovo ThinkPad P16s Gen 3 Intel (16”) Mobile Workstation, Lenovo ThinkPad P16v Gen 2 Intel (16”) Mobile Workstation, Lenovo ThinkPad X1 Fold Intel (16”), Lenovo mobile phones (e.g., Motorola series) and certain other LTE, LTEA, and 5G-capable devices, Motorola razr 50, moto g 5G –2024, moto g power 5G – 2024, moto g play – 2024, moto g power – 2025, moto g stylus 2025, moto g stylus 5G – 2024, moto g – 2025, motorola edge – 2024, motorola edge+ – 2023, motorola razr 2023, motorola razr 2024, motorola razr 2025, motorola razr+, motorola razr ultra 2025 and motorola razr+ 2023.
How was case 5:25-cv-00093 terminated?
The recorded basis of termination is dismissed with prejudice. The termination text reads: “It is ORDERED that the above-captioned case is DISMISSED WITH PREJUDICE.”
What does dismissal with prejudice mean?
A dismissal with prejudice permanently ends the claims that were filed, so the same claims cannot be brought again against that defendant. It is the usual form when the parties have settled.
How long did case 5:25-cv-00093 take?
340 calendar days, from filing on 3 Jul 2025 to closure on 8 June 2026.
Who were the attorneys and the judge in 5:25-cv-00093?
Geoffrey Patton Culbertson and Kelly B. Tidwell are recorded as counsel for plaintiff Pantech. Melissa Richards Smith appears for defendant Lenovo.
Disclaimer. This page reproduces publicly available court docket data for case 5:25-cv-00093 and is provided for general information and reference only. It is not legal advice and must not be relied upon as such.
Docket data has limits. Records are drawn from a snapshot and may lag the live docket. Sealed filings, amended complaints, counterclaims and post-closure motions may not be reflected. Party names, attorney names and firm affiliations are reproduced as recorded and may contain omissions. Where a field is absent from the record, this page marks it as not recorded rather than inferring a value.
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No FTO or validity opinion. Nothing on this page constitutes a freedom-to-operate, novelty, validity or infringement opinion. Any decision touching a live patent dispute should be verified independently and reviewed with qualified patent counsel.