Case Filed: Aug 27, 2013
Case Closed: Jan 06, 2014
Court: Texas Eastern District Court
Judge: Rodney Gilstrap
Case Summary:
AT&T was charged by Remote
Locator Systems for infringing the patent US5548637 entitled ‘Method and
apparatus for locating personnel and objects in response to telephone
inquiries,’ which was originally issued to Alan C. Heller, Brian M. Evins and
Robert G. Karp on Aug 20, 1996 and expired[i]
on Sep 09, 2013. Remote Locate Systems was the last assignee[ii]
of the patent (source: MaxVal’s Assignment
Database).
The ‘637 patent describes a
telephone system that automatically forwards calls to telephones that are
closest to a particular individual in a building. The system operates by using
stationary receivers that detect transmitters attached to individuals.
In its court filing, Remote
Locator Systems alleged that “AT&T directly or through intermediaries,
made, had made, used, imported, provided, supplied, distributed, sold, and/or
offered for sale products and/or systems with its FamilyMap Locator application
for the iOS, Android and BlackBerry operating systems that infringed one or
more claims of the ’637 patent.” AT&T Family Map allows tracking family
members by locating them on an interactive map.
Remote Locator Systems filed a
motion for dismissal, considering which the Court granted and ordered all
claims be dismissed with prejudice with no charges imposed on any parties.
See 2:13-cv-00674
for more
details. To get alerts on cases filed/closed, subscribe to our Litigation
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*
Expected expiration date using Patent Term Estimator, use our free tool or download our free
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[i]
Expected expiration date. Patent Term Estimator is a free web-based tool that automatically calculates
patent terms and expiration dates for U.S. utility patents.
[ii]
MaxVal offers Patent Assignment Alert service
where subscribers receive email alerts when assignments relating to target
applications, patents or entities of interest are recorded.
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