L02-CX: Yes
Rationale
Cisco disclosure 3627, submitted 11 July 2019, explicitly identifies RFC 8569 and RFC 8609. It declares a conditional non-assertion policy for necessary Cisco-controlled patent claims when implementing the specified technology. This is a concrete holder commitment, beyond the older Distillery copyright notice and general FRAND language. L02 evaluates a declared policy rather than an effective license; the attributable conditional commitment therefore qualifies as Yes, with its activation condition and scope recorded explicitly.
Assessment method
Documentary policy review under the common holder-bounded L02 rule; activation distinguished from declaration
Source context
Cisco holder declaration in IETF Datatracker and RFC status notices; reviewed 2026-10-22
Outstanding qualification
The declaration conditions the non-assertion route on adoption as an IETF standard. RFC 8569 and RFC 8609 are Experimental IRTF documents; their publication does not establish fulfillment of that condition. No presently effective royalty-free license is asserted. Other terms include compliance and reciprocity, defensive assertion (including past royalties) after specified patent litigation, and exclusion of product portions unnecessary for compliance. A royalty-bearing option also exists. Credit only the declared Cisco-controlled scope; no third-party clearance, patent-validity or enforceability conclusion.
Public sources
- https://datatracker.ietf.org/ipr/3627/
- https://www.rfc-editor.org/rfc/rfc8569.html
- https://www.rfc-editor.org/rfc/rfc8609.html
Editorial evidence references
The following identifiers refer to research records not included in this public package; they are not public links.
- round429-sources.json
- round270-sources.json