HTC has launched another lawsuit against Apple, claiming that Macs, iPhones, iPads, Apple TV, AirPort, Time Capsule, and the iPod infringe three of its patents.

As it is common for such suits, HTC wants Apple to be banned from violating its patents, which would include an order that would force Apple to halt making, selling, or importing any infringing devices. There is also the usual request for Apple to pay damages for willful infringement, as well as compensation for HTC’s attorney fees.

HTC lists three patents, two of which were granted in 2008 and one in 2010. The documents refer to (1) a circuit and operating method for integrated interface of PDA and wireless communicating system, (2) multipoint-to-point communication using orthogonal frequency division multiplexing and (3) a method for orderwire modulation. The suit is just another chapter in an ongoing smartphone patent war that was, in this case, started by Apple with a suit against Apple that affected a total of 20 Apple patents. According to the International Trade Commission, HTC may have infringed on two Apple patents and we were under the impression that HTC was in talks with Apple to settle the claims.

This most recent lawsuit suggests that Apple and HTC may be negotiating for quite a while.

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