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Don't they have to patent this now that the US patent system is first-to-file? Otherwise, others would be free to patent it and start charging Twitter royaltie
by petedoyle 15y ago
Don't they have to patent this now that the US patent system is first-to-file? Otherwise, others would be free to patent it and start charging Twitter royalties.
- pixelbath 15y agoThe US patent system is also not supposed to grant patents that have evidence of "prior art." Should another company apply for the patent after Twitter is using it, Twitter can simply show the feature existed prior to the patent filing date.