“a company in San Diego, Pangea Intellectual Properties (PANIP LLC) is suing companies all across the country. They claim that if you use graphical and textural information on a video screen for purposes of making a sale, then you are infringing on their patent. US Patent No 5,576,951.
And if you accept information to conduct automatic financial transactions via a telephone line & video screen, you’re infringing on their patent. US Patent No. 6,289,319″
Read the linked news articles to assess legitimacy.
It’s also interesting that the list of known defendents include none in California.