Call for Exclusions: MathML Core

• From: W3C Patent Policy <noreply@w3.org>
• Date: Tue, 24 Jun 2025 23:59:03 +0000
• To: Bert Bos <bert@w3.org>, www-math@w3.org, Brian Kardell <bkardell@gmail.com>, Eric Meyer <eric@meyerweb.com>, Adam Sedgewick <adam.sedgewick@nist.gov>, Roan Kattouw <rkattouw@wikimedia.org>, Sai Suman Cherukuwada <scherukuwada@wikimedia.org>, Brian Elton <belton@tpgi.com>, Charles LaPierre <charlesl@benetech.org>, Chris Wilson <cwilso@google.com>, Jeffrey Yasskin <jyasskin@google.com>
• Cc: member-cfe@w3.org
• message-id: <cfe-15653-dfbd8ce62dcb2497db45e3ded6d7a6e9d6806ab1@w3.org>

Dear Advisory Committee Representatives, Staff Contact, 
This is a W3C Patent Policy Call for Exclusions for the following Recommendation Track document upon publication of a Patent Review Draft.
  MathML Core
  https://www.w3.org/TR/2025/CR-mathml-core-20250624/
  exclusion opportunity ending on 2025-08-23
  This specification was produced by:
      - the Math Working Group
  
If you do not wish to exclude patent claims during this exclusion opportunity, no further action is required. Member participants who think their organization may have patent claims to exclude should contact their Advisory Committee Representative.
This Recommendation Track document is being developed under the 2023 W3C Process Document and 2020 W3C Patent Policy.
Participants made a Royalty-Free licensing commitment upon joining this Working Group. With the publication of this Patent Review Draft, per section 4.1 of the Patent Policy [1], Participants have an opportunity until 2025-08-23 to exclude patent claims reading on this Patent Review Draft. In this exclusion opportunity, exclusions are limited to matter in the Patent Review Draft that was not present or apparent at a previous exclusion opportunity.
Note that other exclusion opportunities may still be open on the same document, covering earlier material.
Excluded claims are not subject to the licensing requirements of the W3C Patent Policy for this document.
For more information about exclusions, please see
  https://www.w3.org/policies/patent-policy/#sec-Exclusion
To make exclusions, please use the following form
  https://www.w3.org/groups/wg/math/ipr/exclude/
Summary information for this group related to the W3C Patent Policy is available at:
  https://www.w3.org/groups/wg/math/ipr/
If you have any questions or need further information, please contact,
for the Math Working Group:
    Bert Bos <bert@w3.org>
  
Thank you,
Philippe le Hégaret, W3C Strategy and Project Lead;
Xueyuan Jia, W3C Marketing & Communications
[1] https://www.w3.org/policies/patent-policy/#sec-exclusion-with
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Received on Tuesday, 24 June 2025 23:59:05 UTC