Patent Troll Says Anyone Using Wi-Fi Infringes

Posted by Soulskill on Monday October 3, 2011 @11:48AM from the good-luck-with-that dept.

akahige sends this excerpt from an article at TechDirt: "The Patent Examiner blog has the incredible story of Innovatio IP, a patent troll that recently acquired a portfolio of patents that its lawyers (what, you think there are any employees?) appear to believe cover pretty much any Wi-Fi implementation. They've been suing coffee shops, grocery stores, restaurants and hotels first — including Caribou Coffee, Cosi, Panera Bread Co, certain Marriotts, Best Westerns, Comfort Inns and more. ... The lawyer representing the company, Matthew McAndrews, seems to imply that the company believes the patents cover everyone who has a home Wi-Fi setup, but they don't plan to go after such folks right now, for 'strategic' reasons."

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Re:CSIRO by femto · 2011-10-03 12:30 · Score: 5, Informative

I'd like to know what number patents Innovatio are using. The CSIRO patent (5,487,069, filed in 1992) was a pretty complete description of the 802.11 OFDM physical layer. Surely anything else has to be a minor and obvious increment? The oldest patent I can see, with inventors Meier and Mahany, is 5,394,436, filed in 1994, and it does not refer to the CSIRO patent (meaning it is open to challenge from the CSIRO patent?) 5,394,436 might apply to the MAC layer, rather than the physical layer, and it is quite vague. Defenders might want to refer to the PARROT project, which the CSIRO was running as part of its WLAN work, predating 5,394,436. PARROT was a complete WLAN MAC layer (google: csiro parrot mac layer).
There was also a PhD thesis that came out of Macquarie University in the early 1990's. The name of the author escapes me, but the supervisor was David Skellern. The thesis described a MAC layer for mobile IP, and fed heavily into the standards at the time.