Microsoft Can't Get Fed. Circ. To Ax More Of Web Patent

Law360 (June 17, 2021, 6:24 PM EDT) -- The Federal Circuit on Thursday refused to invalidate another claim of a website access patent challenged by Microsoft, finding the tech giant tried to expand the bounds of its Patent Trial and Appeal Board petition after losing.

Microsoft had clearly argued that the claim-at-issue in FG SRC LLC's patent was invalid as anticipated, but half of its appeal rested on an argument that it was obvious, the Federal Circuit said in a nonprecedential opinion. The other half of Microsoft's appeal argued that the claim was improperly construed in the anticipation analysis, which the panel majority shot down.

The challenged patent is...

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