Invalidity dossier
US 5295064
Intelligent shopping cart system having cart position determining and service queue position securing capability
Current assignee: Information Resources Inc
Added 9/24/2026, 2:18:58 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: US5295064A
Title: Intelligent shopping cart system having cart position determining and service queue position securing capability
Patent number: US5295064A
Application number: US07/435,500
Inventors: John Malec; Joseph P. Moser
Original assignee: VideOcart Inc.
Current assignee (as listed): Information Resources Inc; Klever Marketing Inc
Prior art date: 1987-09-21
Filing date: 1988-09-21
Publication date: 1994-03-15
Legal status: Expired – Lifetime (anticipated expiration 2011-03-15)
Purpose and plain-language scope:
The title indicates a system built around an "intelligent shopping cart" with two named capabilities: determining the cart's position, and securing a place in a service queue. In plain terms, the disclosed system appears to concern a shopping cart that can track where it is and can reserve or hold a position in a queue for service.
Beyond the title, the supplied excerpt provides only limited substantive detail. It identifies recurring prior-art keywords — "block," "trigger," "message," "cart," and "data" — suggesting the disclosure involves messages or triggers associated with cart data, but it does not define these terms or explain how they function.
What the excerpt does not establish:
- The actual claims, their scope, or their limitations.
- The written description, embodiments, or figures (image content is not reproduced in the supplied text).
- How cart position is determined (e.g., any particular sensing, signaling, or locating technique).
- How queue position securing is implemented, or what "service queue" refers to.
- The meaning or operation of the prior-art keywords listed.
- Any specific prior-art references or their content.
The excerpt also does not establish the accuracy of the listed assignees, dates, or legal status, all of which the source itself flags as assumptions rather than legal conclusions. Per the source, the status is an assumption and no legal analysis or representation is made as to its accuracy. Litigation, ownership transfers, validity, and prior art are outside the scope of this overview.
Source: https://patents.google.com/patent/[US5295064](/patent/US5295064)/en (fetched 2026-09-24)
Generated 10/1/2026, 9:30:50 PM
Cases on file (0)
Specific litigation cases in our database that name US patent 5295064. 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.