Sunday, April 7, 2013

Steelhead Licensing filed a case (1:13-cv-00033) against Apple in Jan 2013. The case was filed for infringing the patent US5491834 entitled ‘Mobile radio handover initiation determination’. The patent is currently assigned[i] to Steelhead (sourced from MaxVal’s Assignment Database) and was originally assigned to British Telecom. The patent was issued on Feb 13, 1996 and expired on Feb 13, 2013.

Steelhead claimed that Apple commercializes mobile devices that are compatible with 3G Code-Division Multiple Access (CDMA) and 4G Long-Term Evolution (LTE) standards and practices a method that determines the manner in which communications are handed over from one cell to another in a cellular communications network as covered in the ‘834 patent. The allegedly infringing products included iPhone5 model A1428 and A1429. The case has now come to a conclusion with Steelhead and Apple reporting to the Court that they have settled the case by themselves. On their request, the Court has ordered a dismissal with prejudice.
Perhaps not surprisingly, substantially similar cases filed against LG and Sony by Steelhead have also been settled on the same day.

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[i] 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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