With court moderated settlement talks between Apple and Samsung executives set to take place within the next 90 days, Samsung has now filed a counterclaim in a California federal court alleging Apple’s iOS devices are infringing eight patents. The counterclaim is part of an original patent infringement lawsuit initiated by Apple in February. Foss Patents reported:

Apple is also in the middle of patent infringement cases with HTC, which just told a court in London that its touchscreen devices, specifically its “slide-to-unlock” functionality, do not infringe on Apple’s patents. Bloomberg reported today that HTC’s lawyers described the functionality in question as “extremely simple implementations of commonly known techniques.” Apple’s lawyer Simon Thorley argued HTC is “attacking the validity of four patents” and claimed, “It is clear the inventions make the requisite contributions.”

If HTC is successful, it could have an impact in ongoing patent infringement related cases with Apple in Dutch and German courts. The report described the functionality Apple claims is covered in the patents:

Apple’s trial with HTC in London is expected to continue until May 4.