The U.S. International Trade Commission will launch an investigation into Fujifilm  (FUJIY)  magnetic tape cartridge and component imports following a patent infringement complaint by Sony  (SNY - Get Report) . 

Sony alleges that the magnetic tap cartridge uses technology lifted from Sony products without a license. Sony originally filed the complaint against the company in January. 

This is the latest chapter in a long-running feud between the two companies. Last year, Fujifilm filed a patent infringement claim against Sony for the sale of data storage tapes and cartridges.

Sony shares were up nearly 1% in early market trading Friday. 

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