Some are calling it patently absurd for Motorola to go head-to-head with market leader RIM given its recent financial worries. New CEO Greg Brown has no such concerns maintaining that the Blackberry maker infringed on no less than seven of Moto’s patents in the series that includes the Blackberry 8800.

But it may be more of a case of tit-for-tat than toe-to-toe for the ailing K1 creators, the lawsuit against RIM comes just days after RIM laid their own suit for Motorola’s unpaid royalties on their patents.

Things look grim for the former giant: falling stock prices, no merger talks, petty lawsuits.

Does anyone want a mobile phone company? Going once, going twice, two and a half…er, two and three quarters…