AT&T, Inc. et al. v. Joe A. Salazr
Infringement action filed 30 Sep 2021 in the United States Court of Appeals for the Federal Circuit and closed 5 Apr 2023, with US5802467A asserted. Recorded basis of termination: appeal dismissed.
Case record
- Patent involved
- US5802467A
- Application no.
- US08/535801
- Case no.
- 21-2376
- Verdict cause
- Infringement action
- Court
- Fed. Cir.
- Court level
- Court of Appeals
- Case region
- District of Columbia
- Chief judge
- None recorded
- Trial level
- Appeal
- Filed – Closed
- 30 Sep 2021 – 5 Apr 2023
- Duration
- 552 days
- Basis of termination
- Appeal Dismissed
- Products & marks
- Wireless and wired communications, command, control and sensing system for sound and/or data transmission and reception
- Validity challenges
- 1 on record
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Wireless and wired communications, command, control and sensing system for sound and/or data transmission and reception
An interactive microprocessor based wireless communication device includes sound and data transceivers, signal detection and coupling devices, signal conversion device, voice recording, playback and storage device, voice activated device, display device, touch screen or similar device, sensors, frequency generation device, sound detection and reproduction devices and power source to concurrently perform generalized two way wireless communications, command, control and sensing functions utilizing radio and infra-red frequency communication links. A microprocessor receives signals from the touch screen and generates a digital data, command/or control signal for transmission to external devices such as home appliances and remote sensors. The microprocessor also responds to voice signal commands received via microphone and a voice processor. The microprocessor uses this signal to generate data, command/or control signals for transmission to external devices such as telephone, paging and intercom systems. Sound signals may be stored in a voice recorder and playback IC for subsequent message processing and coupling to a transceiver and/or a speaker. Telephone ringer signals are generated by the microprocessor and are coupled to a ringer for audio output. In response to certain commands, the wireless communication device establishes a communication link with external devices using radio frequency or infra-red frequency transmission and/or reception. Sensor signals are created by sensors that can detect physical differential changes and that can convert the changes into measurements. These signals are coupled to the microprocessor for further processing, display and/or transmission.
- Legal status
- Inactive
- Granted
- 1 Sep 1998
- Est. expiry
- 28 Sep 2015
- Validity challenges
- 1 on recordIPR2018-00273 · filed by HTC Corporation
- Licences recorded
- None recorded
- Inventors
- SALAZAR, JOE ANDREW · MOLERO-CASTRO, LUIS
- Classification
- H04M1/725H04M1/72H04M1/737H04L12/28H04M1/72415
- Prosecution counsel
- Meredith Attorneys, PLLC
- Examiner
- BOST, DWAYNE D.
Parties of record
AT&T, Inc.
- Core tech
- Not recorded
- Counsel
- Fred Williams
- Firm
- Williams, Simons & Landis PLLC
- Also named
- T-Mobile USA, Inc. · Sprint United Management Company · Cellco Partnership, (dba Verizon Wireless)
Joe A. Salazr
- Core tech
- Not recorded
- Counsel
- Dariush Keyhani
- Firm
- Keyhani LLC
Counsel of record
| Attorney | For | Role |
|---|---|---|
| Fred Williams | AT&T, Inc. | Plaintiff |
| Dariush Keyhani | Joe A. Salazr | Defendant |
Basis of termination
From the record · verbatim“THIS CAUSE having been considered, it is ORDERED AND ADJUDGED:AFFIRMED”
Case 21-2376 · Fed. Cir. · closed 5 April 2023
Related cases
Three questions this record usually leads to. Each one runs against the full litigation and patent corpus, and cites what it finds.
Frequently asked questions
What is case 21-2376?
21-2376 is a patent infringement action brought by AT&T, Inc. against Joe A. Salazr, filed on 30 Sep 2021 in the United States Court of Appeals for the Federal Circuit. The case closed on 5 April 2023.
Which patent was asserted in 21-2376?
US5802467A (“Wireless and wired communications, command, control and sensing system for sound and/or data transmission and reception”), assigned to SALAZAR, JOE ANDREW, MR, currently inactive. The record also lists Wireless and wired communications, command, control and sensing system for sound and/or data transmission and reception.
How was case 21-2376 terminated?
The recorded basis of termination is appeal dismissed. The termination text reads: “THIS CAUSE having been considered, it is ORDERED AND ADJUDGED:AFFIRMED”
How long did case 21-2376 take?
552 calendar days, from filing on 30 Sep 2021 to closure on 5 April 2023.
Who were the attorneys and the judge in 21-2376?
Fred Williams is recorded as counsel for plaintiff AT&T. Dariush Keyhani appears for defendant Joe A. Salazr.
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