Forgent Networks has filed suit against Microsoft accusing the software giant of infringing one of its graphics compression patents.
The patent concerns the way in which the Jpeg file format compresses digital images. Jpeg is best known for its use in .jpg files and is deployed in applications ranging from web browsers to digital cameras.
Forgent has generated more than $100m from licensing the technology to 35 different companies including Sony.
The firm is pursuing legal action against another 44 companies in addition to Microsoft. Litigation has been under way in a court in Texas against Apple, Dell, Google and HP.
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