By AuntMinnie.com staff writers

July 3, 2017 -- Women's imaging firm Hologic has filed a lawsuit against Fujifilm Medical Systems USA over patents for digital breast tomosynthesis (DBT) technology.

Hologic filed the suit June 26 in the U.S. District Court for the District of Connecticut, charging Fuji with violating a number of patents covering x-ray mammography with tomosynthesis and other related mammography technologies found on its Selenia Dimensions DBT system. The patents include Nos. 7,831,296, 8,452,379, and 7,123,684 covering technologies related to tomosynthesis, and Nos. 7,688,940 and 7,986,765 covering mammography with offset compression paddles, automatic collimation, and a retractable antiscatter grid.

Hologic charges that Fuji's Aspire Cristalle digital mammography system infringes on technologies covered by the patents. Fuji announced U.S. Food and Drug Administration approval for a DBT upgrade for the system in January 2017, and according to Hologic's complaint it began displaying the system at trade shows in March and April.

Hologic's complaint asks the court to judge that Fuji is in violation of its patents and to enjoin Fuji from further acts that infringe on the patents. The company also asks for damages and attorney's fees of an unspecified amount.


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