W3C Group Participation Home

List of Patent Disclosures and Exclusions Known to IPP

This is the complete list of patent disclosures and exclusions that have been made through IPP, for all W3C groups. W3C takes no position regarding either:

  1. the validity or scope of any intellectual property right or other rights that might be claimed to pertain to the implementation or use of the technology, or
  2. the extent to which any license under such rights might or might not be available.

Patent Disclosures for Cascading Style Sheets (CSS) Working Group

This section summarizes patent disclosures by participants in W3C's Cascading Style Sheets (CSS) Working Group as required by section 6 of the 5 February 2004 W3C Patent Policy.

As of 24 April 2014, 1 patent disclosure has been made.

Known Disclosures

In the following tables of disclosure information, entries in the first column link to details about each patent, including any exclusion or additional licensing information that has been provided.

Disclosures for CSS Mobile Profile 2.0

Patent for CSS Mobile Profile 2.0LicensingNotes
Issued patent '6209009' (US) held by Openwave Systems Inc. (additional licensing information available)Royaltee-Free

Disclosures for CSS 2D Transforms

Patent for CSS 2D TransformsLicensingNotes
Laid-open/published patent application #12/397,325 (US) held by Apple, Inc. (additional licensing information available)Royaltee-Free

Disclosures for CSS 3D Transforms Module Level 3

Patent for CSS 3D Transforms Module Level 3LicensingNotes
Laid-open/published patent application #12/397,325 (US) held by Apple, Inc. (additional licensing information available)Royaltee-Free

Disclosures for CSS Animations

Patent for CSS AnimationsLicensingNotes
Laid-open/published patent application #12/397,325 (US) held by Apple, Inc. (additional licensing information available)Royaltee-Free

Disclosures for CSS Transitions

Patent for CSS TransitionsLicensingNotes
Laid-open/published patent application #12/397,325 (US) held by Apple, Inc. (additional licensing information available)Royaltee-Free

Patent Disclosures for HTML Working Group

This section summarizes patent disclosures by participants in W3C's HTML Working Group as required by section 6 of the 5 February 2004 W3C Patent Policy.

As of 24 April 2014, 8 patent disclosures have been made.

Known Disclosures

In the following tables of disclosure information, entries in the first column link to details about each patent, including any exclusion or additional licensing information that has been provided.

Disclosures for HTML5

Patent for HTML5LicensingNotes
Laid-open/published patent application #11/144,384 (U.S.) held by Apple, Inc. (additional licensing information available)Royaltee-Free
Laid-open/published patent application #05766079.7 (Pub. No. EP1759306A1) (EP) held by Apple, Inc. (additional licensing information available)Royaltee-Free
Laid-open/published patent application #07105815.5 (HK Pub. No. 198225) (Hong Kong) held by Apple, Inc. (additional licensing information available)Royaltee-Free
Laid-open/published patent application #unpublished pending application (unpublished - can refer to WO/2006/012168 ) held by Apple, Inc. (additional licensing information available)Royaltee-Free
Laid-open/published patent application #unpublished pending application (unpublished - can refer to WO/2006/012168 ) held by Apple, Inc. (additional licensing information available)Royaltee-Free
Laid-open/published patent application #unpublished pending application (unpublished pending application) held by Apple, Inc. (additional licensing information available)Royaltee-Free
Laid-open/published patent application #unpublished pending application (unpublished pending application) held by Apple, Inc. (additional licensing information available)Royaltee-Free

Patent Disclosures for SVG Working Group

This section summarizes patent disclosures by participants in W3C's SVG Working Group as required by section 6 of the 5 February 2004 W3C Patent Policy.

As of 24 April 2014, 10 patent disclosures have been made.

Known Disclosures

In the following tables of disclosure information, entries in the first column link to details about each patent, including any exclusion or additional licensing information that has been provided.

Disclosures for Scalable Vector Graphics (SVG) 1.1 (Second Edition)

Patent for Scalable Vector Graphics (SVG) 1.1 (Second Edition)LicensingNotes
Issued patent '3503397' (Japan) held by KDDI CORPORATION (additional licensing information available)Royaltee-Free
Issued patent '6107961' (United States of America) held by KDDI CORPORATION (additional licensing information available)Royaltee-Free

Disclosures for Remote Events for XML (REX) 1.0

Patent for Remote Events for XML (REX) 1.0LicensingNotes
Issued patent '765633' (AU) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-18
Issued patent 'ZL98807034.0' (CN) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-15
Issued patent '2765983' (FR) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-8
Issued patent '10-0574755' (KR) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-14
Issued patent '6 911 982' (US) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-22
Laid-open/published patent application #98938735.2 filed on 07/10/1998 (EP) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-8
Laid-open/published patent application #06001979.1 filed on 07/10/1998 (EP) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-12
Laid-open/published patent application #133790 filed on 07/10/1998 (IL) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-22
Laid-open/published patent application #2000-502,637 filed on 07/10/1998 (JP) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-8
Laid-open/published patent application #2004-360540 filed on 07/10/1998 (JP) held by Orange (additional licensing information available)Claims excluded from Royalty-Free commitment:1-16

Disclosures for SVG Transforms 1.0, Part 2: Language

Patent for SVG Transforms 1.0, Part 2: LanguageLicensingNotes
Laid-open/published patent application #12/397,325 (US) held by Apple, Inc. (additional licensing information available)Royaltee-Free

Patent Disclosures for Voice Browser Working Group

This section summarizes patent disclosures by participants in W3C's Voice Browser Working Group as required by section 6 of the 5 February 2004 W3C Patent Policy.

As of 24 April 2014, 11 patent disclosures have been made.

Known Disclosures

In the following tables of disclosure information, entries in the first column link to details about each patent, including any exclusion or additional licensing information that has been provided.

Disclosures for Voice Browser Call Control: CCXML Version 1.0

Patent for Voice Browser Call Control: CCXML Version 1.0LicensingNotes
Issued patent '6,701,366' (U.S. patent) held by Nortel Networks (additional licensing information available)Claims excluded from Royalty-Free commitment:all 30 claims

Patent Disclosures for Web Applications Working Group

This section summarizes patent disclosures by participants in W3C's Web Applications Working Group as required by section 6 of the 5 February 2004 W3C Patent Policy.

As of 24 April 2014, 12 patent disclosures have been made.

Known Disclosures

In the following tables of disclosure information, entries in the first column link to details about each patent, including any exclusion or additional licensing information that has been provided.

Disclosures for Widget Updates

Patent for Widget UpdatesLicensingNotes
Issued patent '5,764,992' (U.S.) held by Apple, Inc. (additional licensing information available)Claims excluded from Royalty-Free commitment:all claims, 1-30 inclusiveIn March 2009 W3C launched a PAG to address this patent. The PAG issued a PAG Report on 8 October 2009. The PAG recommended to continue work as -in light of the the collected prior art-the patent was considered not essential to the Widgets Updates 1.0 Specification.

Disclosures for Widget Access Request Policy

Patent for Widget Access Request PolicyLicensingNotes
Laid-open/published patent application #US Published Patent Application No. 11/432,295 and US Published Patent Application 11/409,276 (US) held by Apple, Inc. (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims, as well as any claims that issue in any continuations, divisionals, continuations-in-part, reissues or other counterparts.PAG report
Laid-open/published patent application #US-20070101433 and US 20070101146 (US) held by Apple, Inc. (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims, as well as any claims that issue in any continuations, divisionals, continuations-in-part, reissues or other counterparts.PAG Report

Disclosures for Push API

Patent for Push APILicensingNotes
Issued patent 'US 6188909 ' (US + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'EP 0882375' (Europe + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'EP 1439723' (Europe + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'US 7366529' (US + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'EP 1322072 ' (Europe + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'US 6292668' (US + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'EP 1581016' (Europe + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'JP 3917596' (Japan + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report
Issued patent 'US 7079517' (US + all equivalent foreign counterparts) held by Nokia Corporation (additional licensing information available)Claims excluded from Royalty-Free commitment:All claims excludedPush API PAG Report

Patent Disclosures for Web Real-Time Communications Working Group

This section summarizes patent disclosures by participants in W3C's Web Real-Time Communications Working Group as required by section 6 of the 5 February 2004 W3C Patent Policy.

As of 24 April 2014, 13 patent disclosures have been made.

Known Disclosures

In the following tables of disclosure information, entries in the first column link to details about each patent, including any exclusion or additional licensing information that has been provided.

Disclosures for WebRTC 1.0: Real-time Communication Between Browsers

Patent for WebRTC 1.0: Real-time Communication Between BrowsersLicensingNotes
Laid-open/published patent application #12/960,220 filed on 12/3/2010 (US) held by (unknown holder) (additional licensing information available)No Royalty-Free Commitment

Note: All actions carried out through this system are reported by email to the relevant parties; copies are sent to w3c-archive@w3.org (Member-readable archive).

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