The European Patent Office says intellectual property that IPCom is using against Nokia and HTC is actually invalid in its current form.
A regional court in Mannheim found Nokia to have violated patents belonging to a German patent firm named IPCom.
A German company claims that the iPhone maker has violated one of its patents related to cellular technology.
The German court found that there was no infringement on Apple's part, possibly putting on ice any issues the company faces with IPCom.
The company reported to a German court last week that devices it had shipped into the country between February 4 and February 10 were halted by customs officers.
U.K. court rules that Nokia is infringing a key 3G patent owned by IPCom, which is now seeking to halt sales of 3G Nokia phones if the phonemaker refuses to pay licensing fees.
Patent licensing company IPCom is ready to enforce a patent infringement ruling against the Taiwanese handset maker, which dropped an appeal in a long-running legal case.
In Germany, patent licensing firm IPCom sends cease-and-desist letters to retailers and wholesalers of HTC's 3G devices.
The mobile phone company says that the patents relate to everything from power management to application stores. The suits were filed in the U.S. and Germany.
Amid weakening revenue and a lower market share, the Taiwanese mobile phone maker is looking to launch new smartphones next year that it promises will be more competitive.