Yufa v. Hach Ultra Analytics, Inc., No. 15-1626 (Fed. Cir. Nov. 5, 2015)

From the Opinion

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Dr. Aleksandr Yufa appeals from a district court’s grant of summary judgment in favor of Hach Ultra An a- lytics, Inc., (“Hach”) on both Dr . Yufa’s patent infring e- ment and emotional distress claims. Because we find no error in the district court’s decision, we affirm. BACKGROUND Dr. Yufa is inventor and owner of U.S. Patent Nos. 6,034,769 and 6,346,983. Both patents claim methods and devices for determining the number and size of particles in fluids. Dr.