Invalidity dossier
US 7522619
Added 9/23/2026, 4:20:49 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
US7522619B2 — Patent Overview
Title: Methods and apparatus for fibre channel interconnection of private loop devices
Patent number: US7522619B2
Inventor: Stuart B. Berman
Current assignee (per source): Avago Technologies International Sales Pte Ltd
Original assignee: Emulex Design and Manufacturing Corp
Application number: US11/375,268
Filing date: 2006-03-13
Priority date: 1997-02-18
Publication date (grant): 2009-04-21
Legal status: Expired – Fee Related, expires 2017-09-20
Purpose and Plain-Language Scope
Based only on the supplied excerpt, the patent concerns methods and apparatus for interconnecting Fibre Channel private loop devices. The prior-art keywords listed—loop, port, fibre channel, fabric, arbitrated—indicate the subject matter relates to Fibre Channel loop and fabric interconnection and arbitrated loop operation. It is classified in, among others, H04L49/357 (Fibre Channel switches), H04L12/427 (loop networks with decentralised control), and H04L12/4637 (interconnected ring systems). These classifications, plus the title, are the excerpt's basis for describing scope; the excerpt does not include the claims or detailed description.
What the Excerpt Does Not Establish
The supplied text is a bibliographic/classification record, not the specification. It does not establish:
- The actual claim language or the specific inventive scope.
- The technical problem, embodiments, or figures.
- Any prior-art references cited or relied upon.
- Whether the priority claim to US08/801,471 (US6185203B1) is accurate or substantively supported.
- Anything regarding litigation, validity, enforceability, or ownership transfer history; the excerpt notes only that the family has litigation and lists reassignment events, without analysis.
Source
https://patents.google.com/patent/[US7522619](/patent/US7522619)/en
Generated 10/1/2026, 9:50:58 PM
Cases on file (0)
Specific litigation cases in our database that name US patent 7522619. The free-form analysis below may also discuss cases beyond this list.
No cases on file mention this patent. Upload a CSV or add a case manually in Admin → Manage litigation cases.
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.