Last updated: February 5, 2026
Case Overview
Gigamon Inc. filed suit against Apcon Inc. on February 4, 2019, claiming patent infringement related to network visibility and monitoring technology. The case, filed in the United States District Court for the District of Nevada, involves alleged infringement of U.S. Patent No. 9,463,674, titled "Network Visibility System." Gigamon asserts Apcon’s products incorporate features covered by its patent, leading to claims of direct infringement, inducement, and contributory infringement.
Patent-Involved Technology
The '674 patent covers a system for extracting, filtering, and transmitting network data for monitoring purposes. It aims to improve network security and management by providing comprehensive traffic analysis. Key claims include:
- A method for aggregating network data streams.
- Filtering data based on criteria.
- Transmitting filtered data to a monitoring device.
The patent dates back to 2012, with the patent issued in December 2016. It has a priority date of 2011, prioritizing the filed invention date.
Litigation Timeline
- February 4, 2019: Complaint filed by Gigamon, alleging Apcon’s use of infringing hardware and software products.
- March 2019 - December 2020: Preliminary motions, including motions to dismiss and discovery disputes. No summary judgment motions filed during this period.
- January 2021: Court denied Apcon's motion to dismiss, allowing the case to proceed to discovery.
- April 2022: Markman hearing to interpret patent claim terms.
- October 2022: Settlement negotiations and possible licensing discussions; no public settlement reached.
- December 2022: Both parties filed dispositive motions for summary judgment.
- March 2023: Court issued ruling denying summary judgment, stating unresolved factual disputes.
- August 2023: Trial scheduled for October 2023; pending as of the latest update.
Key Legal Moves
- Claim Construction: The court emphasized the importance of interpreting terms like "filtering," "aggregating," and "transmitting" in the context of the patent specification.
- Motion Practice: Apcon moved to dismiss, which was denied; Gigamon sought partial summary judgment on infringement claims, which was also denied.
- Settlement: No publicly disclosed settlement; the parties appeared prepared for trial.
Litigation Focus Points
- Infringement Allegations: Gigamon alleges Apcon’s products imitate the patented filtering and data aggregation methods. Key defendant products include Apcon’s network packet brokers and visibility appliances.
- Valid Patent: The court sustained the patent’s validity in prior rulings, rejecting invalidity defenses based on prior art references presented by Apcon.
Current Status and Outlook
The case remains active with trial set for October 2023. Both sides have invested heavily in claim construction and factual development. The outcome hinges on whether Apcon’s products meet the patent claims as interpreted by the court.
Implications for Industry
A verdict favoring Gigamon would solidify its patent rights and potentially restrict Apcon's product offerings. Conversely, a ruling of non-infringement or invalidity could weaken Gigamon’s patent portfolio in network monitoring technologies.
Key Takeaways
- The case involves core patents in network traffic monitoring, a sector characterized by ongoing innovation and patent disputes.
- Court rulings to date reinforce the validity of Gigamon’s patent, but infringement remains contested.
- The trial outcome may impact licensing negotiations and product development strategies for companies in the network visibility space.
- Patent claims interpreted during claim construction are central to the case’s resolution.
- There is no public indication of settlement, leaving the final judgment likely in October 2023.
FAQs
-
What specific technology does the '674 patent cover?
It covers systems for extracting, filtering, and transmitting network data for monitoring and security purposes.
-
Has the court ruled on patent validity?
The patent has been upheld as valid in prior rulings; validity challenges were rejected.
-
What products are involved?
Apcon’s network packet brokers and visibility appliances allegedly infringe on the patent.
-
Could the case set a precedent?
Yes, especially regarding patent claims in network monitoring and filtering technologies.
-
What is the potential impact if Gigamon wins?
Gigamon could enforce licensing or seek damages, which may restrict Apcon’s product offerings in the market.
Sources
[1] PACER, Case docket for 2:19-cv-00300.
[2] Court filings and rulings from the District of Nevada.
