Summary

  • W3C extended the Second Screen Working Group charter through 31 December 2026 on 18 August and said the group awaited its Patent Advisory Group's recommendations before initiating a new draft charter.
  • On 24 August, the PAG approved a public report concluding that the excluded claims either do not read on the Open Screen Application Protocol or are covered by identified prior art. It recommended that the protocol continue towards W3C Recommendation without further change.
  • The report is deliberately bounded: it is not exhaustive legal analysis, not legal advice and not a representation that following it will avoid patent infringement.
  • The current charter remains valid. The gap is not authority. It is a public transition record: the public draft charter still describes the 2024 recharter and has not been updated in its repository since March 2024.
  • W3C should publish a dated handoff that identifies the chartering owner, current deliverables, patent-result boundary, public-review state and next checkpoint before the extension ends.

Six days changed the stated reason for waiting

The 18 August extension notice is unusually useful because it does more than move a date. It extends the Second Screen Working Group charter to 31 December 2026, identifies the Patent Advisory Group formed in response to disclosures and exclusions against the Open Screen Application Protocol, and says the Working Group “awaits the recommendations of the PAG to initiate work on a new draft charter.”

That sentence creates a visible dependency. It does not promise that a charter draft will appear the moment a report is approved, and it does not set a six-day service level. It does tell the public why the new charter had not yet started in public terms.

On 24 August, the dependency changed state. The second Second Screen PAG approved its report. The executive summary says Apple's excluded claims do not read on the Open Screen Application Protocol or are covered by prior art identified in US Patent 7,418,472 B2, which expired on 14 March 2026. The report recommends that the Application Protocol continue its path towards Recommendation without further change.

That is a substantive result. W3C's Patent Policy exists to address claims that may be essential but are not available under its royalty-free licensing requirements. A PAG can conclude that the concern is resolved, recommend a design-around, seek more information, propose termination or rescission, or consider alternative licensing. This PAG did not ask the group to redesign the protocol, stop work or pursue non-royalty-free terms. It said the specification could continue as written.

The careful reading is therefore neither “nothing happened” nor “the patent problem vanished.” A specialised body completed the task assigned to it and supplied public reasons. The governance question moved to the institution that owns the next act.

A recommendation is not a Recommendation

W3C's vocabulary carries a trap. The PAG made a recommendation, in the ordinary sense of a proposed course of action. The Open Screen Application Protocol is intended to move towards a capital-R W3C Recommendation, which is a defined standards-track status. Those are not the same event.

The latest published Application Protocol is a Working Draft dated 10 February 2026. Its own status text says publication does not imply endorsement by W3C or its Members, that unresolved issues remain and that the document is work in progress. The companion Open Screen Network Protocol is also a Working Draft dated 10 February. A PAG report does not provide two interoperable implementations, complete an open test suite, settle every technical issue, establish Working Group consensus or perform the later Process transitions.

Nor is the report a licence or a judicial decision. It says its analysis is not exhaustive. It says none of its authors is the reader's attorney. It disclaims legal advice and expressly refuses to represent that following the recommendation will avoid infringement of the patents discussed. Those limits are not fine print to be discarded after the conclusion. They define what the institution actually decided.

The report's technical-legal conclusion can remove the need for a patent-driven specification change. It cannot promise that no other claim exists, that no court would disagree, or that the document has already earned standards approval. A trustworthy charter handoff must carry both the conclusion and its boundary.

The group has authority; the draft is the stale object

There is no charter vacuum here. The active charter page records extensions from 31 January to 31 July and then to 31 December 2026. W3C Process section 4.6 allows the Team to extend a Working Group charter with no other substantive modifications, provided the duration, rationale, charter and group homepage are announced. The August notice follows that route.

The distinction matters because it separates operational continuity from a new mandate. Under the Patent Policy, the Working Group was allowed to continue technical work within its charter while the PAG operated. It did: the Application and Network Protocol Working Drafts appeared in February. The extension keeps that authority alive while the next charter is prepared.

The stale object is the linked public draft. It still calls itself a proposed charter for the 2024 cycle. Its table contains @@ 2024 as the start date and 31 January 2026 as the end date. It describes one Open Screen Protocol deliverable and a plan to split it, even though separate Application and Network Protocol Working Drafts now exist. Its public repository shows no commit after 29 March 2024. No Second Screen file appeared in the common W3C charter-drafts repository at the evidence cutoff, and the latest public strategy issue found for the recharter is the issue closed in May 2024.

These checks do not prove that no one has opened a private document or discussed a new mandate on a Member-only channel. The public claim is narrower: the official surfaces checked through 31 August do not yet expose a new 2026 draft. That is an unknown public state, not evidence of misconduct.

The patent report and the charter answer different questions

The PAG's question is whether identified excluded claims create a patent-policy conflict for the specification and what response it recommends. The Working Group's question is what technical text, tests and implementation evidence should advance. The Team's chartering question is what scope, deliverables, resources and coordination should be proposed for the next period. Advisory Committee review and a W3C decision govern a new charter or major changes.

One body may participate in more than one stage, but the mandates do not merge. Patent expertise is evidence for chartering; it is not charter authority. Working Group consensus is necessary for technical choices; it is not unilateral approval of a materially changed mandate. A Team extension keeps the group operating; it is not an Advisory Committee review in miniature.

Lu Heng's participant-principal distinction is useful because it denies institutions an easy shortcut. Being affected, expert or present supplies standing to contribute evidence and objection. It does not automatically supply the right to bind every other layer. The same discipline applies inside a standards organisation. The PAG should receive full credit for its analysis without being treated as the principal for the charter. The Team should initiate the charter without pretending that administrative timing settles technical maturity.

The Working Group should own its technical decisions without treating participation as corporate approval.

This is thin governance, not procedural maximalism. Each decision remains close to the actor competent to make it, and the public record joins the decisions without manufacturing one universal “community” mandate.

The new draft has real work to do

Updating the dates would not be enough. The public charter should describe the work that now exists. The 2024 draft anticipated a split of the Open Screen Protocol. The split is no longer merely a plan: W3C has published separate Application and Network Protocol drafts. Their functions differ. The Application Protocol carries messages and behaviours needed for the Presentation API and Remote Playback API. The Network Protocol covers discovery, secure transport and authentication between Open Screen agents.

A current deliverable map should name both, identify their standards-track state and show which patent disclosures and commitments attach to which specification. The PAG report itself notes that Apple's 2025 exclusions were directed only at the Application Protocol and that the company's royalty-free commitments apply to the Network Protocol through Working Group participation. That boundary should not be left implicit in an obsolete single-deliverable label.

The charter should also reset milestones against evidence, not against inherited dates. The old public draft expected the Open Screen Protocol to reach later stages in 2025. In February 2026, its successors were Working Drafts. A new charter can explain what remains: unresolved issues, open tests, implementation work, horizontal review, interoperability and any future standards transition. Moving a date is not evidence that those conditions have been met.

Running-Code Primacy, used carefully outside its original registry setting, supplies the ordering rule. Institutional procedure should describe and support the technical reality; it should not substitute for it. The protocol's actual drafts, implementations, test results and interoperable behaviour come before a ceremonial timetable. Patent analysis can remove one obstacle. It cannot run the code.

Publish the handoff, not the legal room

The answer is not to demand the PAG's internal deliberations, counsel's advice or Member-confidential charter negotiation. Those records can contain privileged analysis, candid risk estimates and negotiating positions. Public accountability does not require exposing every input.

It does require exposing the interface. A compact handoff entry can record the PAG report's approval and publication date, the conclusion category under the Patent Policy, the specification version examined and a summary disposition of each disclosed exclusion. It should reproduce the report's limits alongside its recommendation.

The next rows belong to chartering. They should identify the owner who initiated the draft, the date of initiation, the current deliverable inventory, material changes from the active charter and the rationale for them. A status field can then move through draft in preparation, public refinement, Advisory Committee review, decision and call for participation. The current extension end date and next expected public checkpoint complete the sequence.

Corrections should append rather than overwrite. When a new charter is approved, it should supersede the extension without erasing why the extension existed. When a technical draft changes, the handoff should identify the reviewed version rather than allowing the PAG conclusion to float free of text.

This is a small record. It does not decide the charter in advance. It makes the chain reproducible.

The quiet risk is status inflation

The visible risk is delay: a new public draft might arrive late in the extension window. The quieter risk is semantic inflation. A PAG recommendation can be described as a patent clearance. A Working Draft can be spoken of as an emerging standard. An extension can be read as approval of the old milestones. A room of technical participants can be described as W3C itself.

Each inflation makes the next decision look more settled than it is. Together they transfer authority without a formal act. Patent analysis becomes legal certainty; technical work becomes endorsement; administrative continuity becomes a new mandate.

The cure is a state machine whose labels cannot be borrowed. PAG complete. Working Draft current. Working Group decision pending or recorded. Charter draft unpublished, in refinement or under review. W3C Recommendation not yet reached. Current charter extended until 31 December. Each label has an owner, a date and a source.

On 18 August, W3C told the public what the Working Group was waiting for. On 24 August, the waiting object answered. The next good governance act is not to rush the technical conclusion or overstate the patent one. It is to show where the answer goes.

Sources

  1. W3C — Second Screen Working Group charter extension, 18 August 2026
  2. W3C — Second Screen Working Group PAG
  3. W3C — Report from the Second Screen Working Group PAG
  4. W3C — Second Screen PAG charter
  5. W3C — Active Second Screen Working Group charter
  6. W3C — Second Screen Working Group
  7. W3C Process Document, 18 August 2025
  8. W3C Patent Policy, 15 May 2025
  9. W3C — Open Screen Application Protocol Working Draft
  10. W3C — Open Screen Network Protocol Working Draft
  11. W3C — Public Second Screen charter draft
  12. GitHub — Second Screen charter commit history
  13. W3C — Draft charters for public review
  14. W3C strategy issue 444 — 2024 Second Screen rechartering
  15. Lu Heng — The Multi-Stakeholder Mirage
  16. Lu Heng — Running-Code Primacy
  17. Lu Heng — Minimum Initial Specification, Localized Future Decision, and Voluntary Adoption