P-to-P partner charges RIAA with patent infringement NEW YORK - The litigious Recording Industry Association of America (RIAA) is involved in another legal dispute with a P-to-P (peer-to-peer) technology maker, but this time, the RIAA is on defense. Altnet Inc. filed a lawsuit Wednesday accusing the RIAA and several of its partners of infringing an Altnet patent covering technology for identifying requested files on a P-to-P network.