By Lee Youkyung
SEOUL, April 22 (Yonhap) -- Samsung Electronics Co., the world's second-largest maker of mobile phones, said Friday it filed lawsuits against Apple Inc. in South Korea, Japan and Germany, accusing the U.S.-based company of violating its patents in producing the iPhone and the iPad.
The move comes after Samsung vowed to respond firmly to Apple's allegation that Samsung's Android-based mobile devices copied trademarks, trade dress and other patents of the iPhone and iPad.
Earlier in the day, Samsung filed a complaint with the Seoul Central District Court against Apple Inc. over alleged infringement of five patents, the company said in a statement. Separately, Samsung also filed a suit with a court in Tokyo, Japan, for two patent infringements, and in Mannheim, Germany for three patent violations.
"Samsung is responding actively to the legal action taken against us in order to protect our intellectual property and to ensure our continued innovation and growth in the mobile communications business," the statement said.
Apple filed a complaint against Samsung on April 15 with the U.S. district court of Northern California.
While the U.S. company's claims mostly focused on similarities in design, user interface and software between iPhone and the Galaxy S, Samsung is pinpointing communications technologies.
Samsung claimed the Cupertino, California-based company infringed upon 10 patents related to wireless data communications, data transmissions and power controls in its production of the iPhone and the iPad.
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