Invalidity dossier
US 6223029
Combined mobile telephone and remote control terminal
Current assignee: Telefonaktiebolaget LM Ericsson AB
Added 9/21/2026, 9:26:29 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 — US 6,223,029 B1
Title: Combined mobile telephone and remote control terminal
Patent number: US 6,223,029 B1
Application number: US 08/845,938
Inventors: Anna-Karin Stenman, Mats Pettersson, Torbjörn Gärdenfors
Original/current assignee: Telefonaktiebolaget LM Ericsson AB
Priority date: 1996-03-14 (claimed from US 08/616,054); a further priority claim from US 08/712,570 (1996-09-11) is listed
Filing date: 1997-04-29
Publication (grant) date: 2001-04-24
Legal status: Expired – Lifetime; anticipated expiration 2017-04-29
Purpose (per the supplied text): The invention "relates to communication systems and, more particularly, to a mobile phone providing both mobile telephony and remote control functions." The definitions portion describes private mobile service via private cordless standards (e.g., CT-2), public mobile service via cellular standards (e.g., AMPS, GSM), and cordless telephones operating through RF transceivers in a portable unit and a base station, with dial tone and voice signals carried over PSTN lines. It notes that cordless phones, while removing the cord, still require a hand to hold the portable unit, and reviews headset-type hands-free approaches (U.S. Pat. Nos. 4,882,745 to Silver; 4,741,030 to Wilson; 4,484,029 to Kennedy). It also mentions a module port with a module connector communicating with a microphone via wireless and wired means, a local area communication system (LACS), electronic data terminals (computer, telefax, pager, printer, hand-held data organizer), and integrating a conventional phone answering machine.
Plain-language scope (from the excerpt): A mobile telephone that also performs remote control of local peripheral devices, using a module port/connector architecture and local-area communication to link phones, peripherals, and accessories.
What the excerpt does not establish: It does not reproduce the claims, full specification, or drawings; the excerpt is expressly partial. No litigation, ownership-transfer, validity, or prior-art analysis is included, and none is offered here.
Generated 10/1/2026, 10:02:23 PM
Cases on file (0)
Specific litigation cases in our database that name US patent 6223029. 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.