Cairns Patent Once Again Provokes The Promotions Industry To Re-Evaluate Online Promotional Games
Most major players in the promotions industry know that the so-called Cairns patent (U.S. Patent No. 6,173,267) is an online business method patent relating to online sweepstakes that involve unique codes. Although it should be clearly understood that I am not a patent attorney (a highly-technical legal specialty), and this blog entry does not constitute legal advice and most certainly does not constitute a legal opinion of this firm, there are several steps that can be taken to potentially avoid at least one of the elements, or its equivalent, for each claim of the patent.
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