Amazon.com Inc., Microsoft Corp., and Alphabet Inc.'s Google can’t escape claims that they infringed patents related to software for task completion by electronic agents.
The Jan. 18 decision by the U.S. District Court for the District of Delaware, which killed three of half a dozen patents the tech giants were accused of infringing, highlights the uncertainty over the extent that software-related inventions are protected under patent law.
Plaintiff IPA Technologies Inc. sued the tech giants for allegedly infringing three patents related to task completion, and another three related to data navigation.
Amazon and Microsoft argued that the task completion patents ...
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