On August 11, 1999, the Secretariat was informed that Lucent Technologies may own intellectual property disclosed in the draft PPP over Simple Data Link (SDL) using SONET/SDH with ATM-like framing [draft-ietf-pppext-sdl-nn.txt] Lucent has made a statement for any and all patents or other IPR that may pertain to IETF documents. See http://www.ietf.org/ietf/IPR/LUCENT-Patents