China’s Supreme People’s Court has accepted an appeal filed by AMSC, a Devens-based maker of wind turbine control systems that is suing a Beijing company over allegations that it stole the Massachusetts firm’s intellectual property.

AMSC is pursuing four suits in China against Sinovel Wind Group Co., China’s largest wind turbine maker and once AMSC’s largest customer. The Devens company, formerly known as American Superconductor, is seeking more than $1.2 billion in damages and payments through three civil cases, as well as an arbitration case before authorities in Beijing. AMSC sued Sinovel last year after discovering an imperfect replica of its software in a Sinovel turbine in China.

China’s supreme court has agreed to hear the smallest case, which had previously been dismissed by two lower courts, AMSC said Tuesday. The company is seeking about $200,000 in this case and an order prohibiting Sinovel from using AMSC’s intellectual property.

Sinovel could not immediately be reached for comment, but has previously denied stealing technology from AMSC.