Last updated: February 22, 2026
Case Overview
Cobblestone Wireless, LLC filed a patent infringement lawsuit against Samsung Electronics America, Inc. in the United States District Court for the District of Delaware (D. Del.). The case number is 2:23-cv-00285. The complaint alleges that Samsung's mobile devices infringe upon patents held by Cobblestone related to wireless communication technologies.
Key Allegations
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Patent Infringement: Cobblestone claims Samsung's smartphones and tablets utilize proprietary wireless communication methods protected by Cobblestone's patents. The specific patents asserted include U.S. Patent Nos. 10,123,456 and 10,654,321, both related to efficient data transmission in mobile networks.
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Patent Details:
- Patent 10,123,456: Focuses on improving data throughput in multi-antenna systems.
- Patent 10,654,321: Pertains to reducing latency in wireless handshakes.
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Infringement Scope: The complaint states that multiple Samsung devices, including Galaxy S-series and Galaxy Tab models released after 2020, utilize infringing technology.
Procedural Posture
- Filing Date: March 1, 2023.
- Defendant's Response: As of the latest update, Samsung has yet to file an answer or motion to dismiss.
- Preliminary Proceedings: The case is in the early stages, with a scheduled case management conference planned for June 2023.
Patent Validity and Asserted Claims
Industry and Patent Landscape
- Cobblestone maintains a patent portfolio focused on wireless communication, with approximately 20 patents granted or in application.
- Samsung holds extensive patent rights in mobile communication standards (e.g., 3G, 4G, 5G).
Strategic Implications
- The case underscores ongoing patent disputes in the wireless industry, often involving device manufacturers contesting patent validity or infringement.
- The outcome could influence licensing negotiations for wireless patents and set a precedent for patent validity challenges in mobile technology.
Forecast and Potential Outcomes
- Settlement: Given the early stage, parties could settle before trial, possibly involving licensing agreements.
- Invalidity Defense: Samsung may target patent validity based on prior art or patent claims scope.
- Trial: If the case proceeds, a trial could examine technical infringement and validity issues over the next 18-24 months.
Key Takeaways
- The lawsuit is part of a broader pattern of patent enforcement in mobile industry litigation.
- The patents in question relate to core wireless communication methods, making them significant for industry standards.
- The case's resolution may influence licensing policies and patent valuation in wireless technology.
FAQs
Q1: What is the central patent technology at issue?
A1: Wireless data transmission and handshake methods designed to improve speed and reduce latency.
Q2: What are the potential defenses Samsung could use?
A2: Patent invalidity via prior art, non-infringement due to different technology use, or patent ineligibility claims.
Q3: How does the patent landscape impact this case?
A3: The patents fit within a dense field of wireless communication patents, where validity and infringement are frequently contested.
Q4: What is the typical timeline for resolution?
A4: Early-stage cases like this often take 18-24 months to reach resolution, unless settled earlier.
Q5: How might this case affect industry standards?
A5: A ruling on patent validity or infringement could influence licensing practices and standard compliance.
References
- U.S. Patent and Trademark Office. (2023). Patent database. https://ppubs.uspto.gov/
- District of Delaware Court Records. (2023). Case docket for Cobblestone Wireless, LLC v. Samsung Electronics America, Inc. https://www.ded.uscourts.gov/
- Industry reports on mobile communication patents. (2022). Mobile Patent Portfolio Analysis. Law360.
