Invalidity dossier
US 8118218
Current assignee: RFCyber Corp.
Added 9/23/2026, 9:34:00 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 — US8118218B2
Title: "Method and apparatus for providing electronic purse"
Patent number / application: US8118218B2; application US11/534,653, filed 2006-09-24; published as US20080073426A1 (2008-03-27); granted 2012-02-21.
Priority date: 2006-09-24 (the source labels this an assumption, not a legal conclusion).
Inventors: Liang Seng Koh, Futong Cho, Hsin Pan, Fuliang Cho.
Assignee: Original assignee Rich House Global Tech Ltd; later assignment to RFCYBER CORPORATION (2006-09-30), then SHENZHEN RFCYBER ASSET MANAGEMENT, LLP (2014-02-08); current assignee field lists Growald Lindsey, SHENZHEN RFCYBER ASSET MANAGEMENT LLP, and Rich House Global Tech Ltd.
Status: Active, with adjusted expiration listed as 2029-08-16.
Purpose / plain-language scope (from the supplied text): The patent concerns an "electronic purse" — i.e., stored-value payment functionality on a smart card. The classification data place it under electronic wallets/money safes involving electronic purses (G06Q20/367, G06Q20/3672), including initialising or reloading a purse, and under payment architectures involving programming of a portable memory device such as IC cards (G06Q20/105). The prior-art keywords listed are "purse," "applet," "payment server," "smart card," and "recited," indicating a system in which a smart-card applet interoperates with a payment server to provide the purse.
Not established by this excerpt:
- No claim text, detailed description, drawings, or specific embodiments are reproduced, so the precise claimed scope cannot be stated.
- No prior-art references are identified or discussed; the excerpt contains no basis for validity or patentability analysis.
- Litigation and IPR entries appear only as metadata links in the source; this overview does not research, verify, or characterize them.
- Ownership transfers, assignee accuracy, and legal status are expressly disclaimed by the source itself.
Source: https://patents.google.com/patent/[US8118218](/patent/US8118218)/en
Generated 10/1/2026, 9:34:13 PM
Cases on file (1)
Group view →Specific litigation cases in our database that name US patent 8118218. The free-form analysis below may also discuss cases beyond this list.
- RFCyber Corp. v. Volkswagen AG et al.filed Jul 23, 20242:24-cv-00576-JRGE.D. Tex. (Marshall), Judge Gilstrapclosed (tentative)
Defendants: Volkswagen AG, Volkswagen Group of America, Inc.
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.
Current assignee: RFCyber Corp.
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.
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This patent in court (1)
1 tracked lawsuit name US 8118218.