Invalidity dossier
US 10951660
Methods and systems for protecting a secured network
Current assignee: Centripetal Networks LLC
Added 9/21/2026, 10:33:13 AM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview — US10951660B2
Title: Methods and systems for protecting a secured network
Patent number: US10951660B2
Application number: US16/909,327 (filed 2020-06-23)
Publication date (grant): 2021-03-16
Earlier publication: US20200322390A1 (published 2020-10-08)
Priority date: 2014-04-16 (listed as an assumption, not a legal conclusion)
Anticipated expiration: 2034-04-16
Inventor(s): Steven Rogers, Sean Moore, David K. Ahn, Peter P. Geremia
Current assignee: Centripetal Networks LLC (original assignee Centripetal Networks LLC; a 2023-01-24 reassignment to Centripetal Networks, LLC is listed)
Legal status: Active
Purpose and plain-language scope: The patent concerns protecting a secured network. Based on the supplied text, it relates to network security policy management and to separating internal from external traffic (firewall-type, perimeter/demilitarized-zone and distributed-firewall architectures), including filtering policies, filtering by address/protocol/port/service (e.g., IP address or URL), and rule management. Classification entries place it in H04L63/00 (network security architectures/protocols), H04L63/20 (managing network security; network security policies in general), H04L63/02xx (separating internal from external traffic; firewalls; distributed architectures), H04L63/0227 (filtering policies), H04L63/0236 (filtering by address, protocol, port number or service), H04L63/0263 (rule management), H04L63/029 (firewall traversal), H04L63/06 (key management in a packet data network), and H04L63/14xx (detecting or protecting against malicious traffic, including by monitoring network traffic and traffic logging/anomaly detection).
The excerpt's prior-art keywords are: packet, network, packets, security policy, security. The excerpt also notes that the family has associated litigation (per a Darts-ip link).
Source: https://patents.google.com/patent/[US10951660](/patent/US10951660)/en
What the excerpt does not establish: The supplied text contains no claims, abstract, or description body, and no detailed description of embodiments; therefore the specific claimed scope, the number and wording of claims, the precise technical mechanisms, and any prior-art references are not established here. The dates above are expressly characterized in the source as assumptions, not legal conclusions.
Generated 10/1/2026, 10:01:28 PM
Cases on file (0)
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Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Proceedings on file (0)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
Prior art
Earlier patents, publications, and products that may anticipate or render the claims unpatentable.
Obviousness
Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.
Extensions
Patent term adjustments, term extensions, continuations, divisionals, family members, and expiration dates.
Derivative works
Defensive disclosure: derivative variations of each claim designed to render future incremental improvements obvious or non-novel.