China-based biometrics firm Shenzhen Goodix Technology has announced that it is filing a complaint with Beijing Intellectual Property Court, alleging that Taiwan-based Egis Technology (Egistec) has infringed upon the important Goodix patent that covers key technologies essential to important features and functions of Goodix's optical in-display fingerprint sensor.In a statement on its website, Goodix said it requests the court to stop Egis' “unlawful and unfair” use of Goodix's technology, and urges Egis to compensate Goodix's loss in the amount of ¥50.5 million ($7.3mn), while also bearing other legal liabilities arising from the infringement.”With five years of arduous, tireless and indigenous innovation, a dedicated R&D team of 400+ overcame great difficulties to bring to the world the innovative optical IN-DISPLAY FINGERRPINT SENSOR”, wrote Goodix”As of today, the innovative technology has been adopted by 52 smartphone models offered by mainstream brands, benefiting hundreds of millions of worldwide consumers, and is recognized as the most popular biometric solution in the bezel-less era”.”The precious achievement is a result of enormous investment and persistence – Goodix invests at least 10% of its revenue into research and development each year.”