Invalidity dossier
US 7114801
Method and apparatus for providing ink to an ink jet printing system
Current assignee: Hewlett Packard Development Co LP
Added 9/23/2026, 11:16:44 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview — US7114801B2
Title: Method and apparatus for providing ink to an ink jet printing system
Patent number: US7114801B2
Application number: US10/717,230
Inventors: Ronald W. Hall, John Barinaga, Bruce Cowger
Assignee (per source): Hewlett Packard Development Co LP
Filing date: 2003-11-19
Publication date: 2006-10-03
Priority date (as listed): 1995-04-27
Legal status (as listed): Expired – Fee Related; adjusted expiration 2015-09-01
Purpose and plain-language scope
The supplied text identifies this patent as directed to a "Method and apparatus for providing ink to an ink jet printing system." The prior-art keywords listed are "ink," "pump module," "pump," "reservoir," and "chamber," indicating that the disclosed subject matter concerns delivering ink from a reservoir using a pump arrangement. The listed priority chain (US08/429,915; US08/566,818; US10/000,050; and this application US10/717,230) shows the patent is a later filing in a family claiming earlier priority dates. An earlier version of the disclosure was published as US20040104984A1.
Source
https://patents.google.com/patent/[US7114801](/patent/US7114801)/en
What the excerpt does not establish
The supplied excerpt contains no abstract, no claim language, and no description or drawings. It therefore does not establish the actual claimed scope, the specific structure or method steps recited, the number or content of claims, the precise technical problem addressed, or any embodiment details. The assignee and priority-date entries are expressly flagged in the source as assumptions not constituting legal conclusions, and the legal status is likewise presented as an assumption rather than a legal determination. In addition, the source text notes that listed assignees "may be inaccurate." Nothing here establishes inventorship disputes, ownership transfers, validity, enforceability, or the content or relevance of any prior art. Any statement about what the patent covers beyond the title and listed keywords would require consulting the full specification and claims.
Generated 10/1/2026, 9:32:47 PM
Cases on file (0)
Specific litigation cases in our database that name US patent 7114801. The free-form analysis below may also discuss cases beyond this list.
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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.