esign: ink-reproduction consent gate + patent-risk research
Consent gate (the legal linchpin from the wet-signature memo): - migration 092 adds ink_consent/ink_consent_at/ink_consent_text to esign_records - extract pure, unit-tested gate logic into esign-ink-consent.ts (DRY single source for route + signing page): isInkReproduction / inkConsentRequired / inkConsentSatisfied + verbatim client-safe INK_CONSENT_TEXT - portal-esign-generic.ts: GET surfaces ink_reproduction + consent text; POST gates DRAWN signatures on ink-path docs on explicit consent, stores it - signing page locks the signature block until consent is checked (drawn only) - npi_provider marks cms855/cms10114 esign metadata ink_reproduction=true - 33 unit checks: gate truth table + consent text omits all internal mechanics (plotter/machine/CMS/MAC/etc) and keeps required legal reassurances Patent-risk memo (docs/legal/patent-risk-mechanical-wet-signature.md): - prior-art-dated risk analysis (autopen 1803/1942, plotters, CNC = public domain => low risk on core concept; e-sign workflow space litigious) - firsthand recent-grant sweep (1.58M USPTO grants 2021-2025, queried via DuckDB): ZERO patents on machine-applies-signature-in-ink; e-sign players hold only electronic-workflow patents. Not an FTO; flags where attorney search is needed
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justin
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7 changed files with 452 additions and 5 deletions
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@ -52,6 +52,8 @@ body{font-family:'Inter',system-ui,sans-serif;color:#1f2937;background:#f1f5f9;l
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#loading{text-align:center;padding:4rem 1rem;color:#64748b}
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#error-screen{display:none;text-align:center;padding:3rem 1rem}
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.hidden{display:none}
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/* Signature block locked until ink-reproduction consent is given */
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#sig-block.locked{opacity:.45;pointer-events:none;filter:grayscale(.3)}
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</style>
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<script defer src="https://analytics.performancewest.net/script.js" data-website-id="55250014-ee15-44ac-a1f6-81dabad3fe0f"></script><script defer src="/js/pw-analytics.js"></script></head>
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<body>
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@ -76,6 +78,19 @@ body{font-family:'Inter',system-ui,sans-serif;color:#1f2937;background:#f1f5f9;l
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<!-- Step 2: Sign -->
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<div class="card">
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<h2>Step 2 — Your Signature</h2>
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<!-- Ink-reproduction consent gate (shown only for ink-path documents).
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The signer must authorize use of their signature on the official form
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BEFORE they can draw it. -->
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<div id="ink-consent-box" class="hidden" style="padding:1rem;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;margin-bottom:1rem">
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<p style="font-size:.85rem;color:#1f2937;margin:0 0 .75rem" id="ink-consent-text"></p>
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<label style="display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:#1f2937;cursor:pointer">
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<input type="checkbox" id="ink-consent-chk" style="margin-top:2px;flex-shrink:0;width:16px;height:16px;accent-color:#1e3a5f">
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<span>I authorize this and confirm the signature I draw is my own.</span>
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</label>
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</div>
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<div id="sig-block">
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<div class="sig-tabs">
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<button type="button" class="sig-tab active" data-mode="draw">Draw</button>
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<button type="button" class="sig-tab" data-mode="type">Type</button>
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@ -95,6 +110,7 @@ body{font-family:'Inter',system-ui,sans-serif;color:#1f2937;background:#f1f5f9;l
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<input type="text" id="typed-sig" placeholder="Your full name" autocomplete="name">
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<div class="typed-preview" id="typed-preview"></div>
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</div>
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</div>
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</div>
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<!-- Step 3: Confirm -->
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@ -190,6 +206,16 @@ body{font-family:'Inter',system-ui,sans-serif;color:#1f2937;background:#f1f5f9;l
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document.getElementById("perjury-box").classList.remove("hidden");
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}
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// Ink-reproduction consent gate: for documents whose signature will be
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// reproduced in ink on the official paper form, require an explicit
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// per-document authorization BEFORE the signer can draw. Lock the signature
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// block until the consent box is checked.
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if (data.ink_reproduction && data.ink_consent_text) {
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document.getElementById("ink-consent-text").textContent = data.ink_consent_text;
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document.getElementById("ink-consent-box").classList.remove("hidden");
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document.getElementById("sig-block").classList.add("locked");
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}
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// PDF preview
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if (data.document_url) {
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document.getElementById("pdf-container").innerHTML =
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@ -318,9 +344,31 @@ body{font-family:'Inter',system-ui,sans-serif;color:#1f2937;background:#f1f5f9;l
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var agreeChk = document.getElementById("agree-chk");
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agreeChk.addEventListener("change", updateSubmit);
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// ── Ink-reproduction consent: unlock the signature block when authorized ──
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var inkConsentChk = document.getElementById("ink-consent-chk");
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inkConsentChk.addEventListener("change", function() {
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var data = window._esignData || {};
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var needsInk = !!(data.ink_reproduction && data.ink_consent_text);
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if (needsInk) {
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document.getElementById("sig-block").classList.toggle("locked", !this.checked);
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// If they un-check after drawing, clear the now-unauthorized capture.
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if (!this.checked) document.getElementById("sig-clear").click();
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}
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updateSubmit();
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});
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function inkConsentOk() {
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var data = window._esignData || {};
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var needsInk = !!(data.ink_reproduction && data.ink_consent_text);
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// Ink consent is only required for a DRAWN signature on an ink-path doc.
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if (!needsInk || sigMode !== "draw") return true;
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return inkConsentChk.checked;
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}
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function updateSubmit() {
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var hasSignature = sigMode === "draw" ? hasSig : typedInput.value.trim().length >= 2;
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document.getElementById("submit-btn").disabled = !(hasSignature && agreeChk.checked);
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document.getElementById("submit-btn").disabled =
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!(hasSignature && agreeChk.checked && inkConsentOk());
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}
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document.getElementById("submit-btn").addEventListener("click", async function() {
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@ -353,6 +401,7 @@ body{font-family:'Inter',system-ui,sans-serif;color:#1f2937;background:#f1f5f9;l
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signature: signatureData,
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agreed_at: new Date().toISOString(),
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user_agent: navigator.userAgent,
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ink_consent: inkConsentOk() && sigMode === "draw" && inkConsentChk.checked,
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}),
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});
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var result = await resp.json();
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