The P4 Language Consortium strives to ensure that the P4 language is available for free for anyone to use, and will remain so.
Membership of the P4 Language Consortium is free to any individual or company who would like to join. P4 Language Consortium Membership Agreement is available for download here.
The Bylaws are available upon request.
The P4 specification and any contributed code are primarily licensed under the Apache 2.0 License.