petej asks: "Big companies with valuable patents usually don't put all their eggs in one basket. It's common practice to build a "patent fence" around the main patent, so that when the main one expires, the others preserve the company's hegemony on their technology. When the main RSA patent expires next year, will there be any other RSA patents that might cover and encumber PGP or OpenSSL? Will we really have a freely available SSL toolkit in OpenSSL, or will we still be forced to buy an RSA license because of some other patent?"
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