Do not bother hitting the “reload” button or clearing the cache in your Web browser , it will not help. Tuesday’s hauntingly familiar headlines about a patent-infringement lawsuit against BlackBerry maker Research in Motion are, in fact, new.

The lawsuit, filed by software company Visto, seeks to shut down the popular (and, for some, near-addictive) BlackBerry wireless e-mail service less than two months after a similar suit from patent holding company NTP was settled. Research in Motion agreed to pay NTP $612.5 million to resolve that earlier case, averting the possibility that its service would be shut down by court order.

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