Case Number:

IPR2019-00814

Case Type:

IPR

Status:

Final Written Decision

Petitioner:

Microsoft Corporation

Patent Owner:

IPA Technologies Inc., which is a wholly owned subsidiary of Wi-LAN Technologies Inc., which is a wholly owned subsidiary of Wi-LAN Inc., which is a wholly owned subsidiary of Quarterhill Inc.

Patent Number:

6851115

Tech Center:

2100

1. Filed: March 19, 2019 00:00

   Coverage

   1. October 21, 2019

      PTAB Says Microsoft's 5 Siri Tech Patent Challenges Justified

      The Patent Trial and Appeal Board has instituted four petitions for review of a patent developed by the company behind Apple's Siri voice recognition software, saying that Microsoft Corp. provided "a reasoned explanation" for filing multiple petitions challenging it.

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