PriorMark
Intellectual Property Protection
Pricing
Simple, transparent pricing
One-time fee to establish your priority date on the public ledger. Optional encrypted file storage is billed monthly — cancel anytime without losing your record.
Proof of Priority
Cryptographic timestamp on the public Hedera ledger. Your description is written publicly — your files never leave your device.
$500 one-time
No recurring charges. Your ledger record is permanent.
Title, summary, and full description written publicly to the Hedera ledger
SHA-3/512 fingerprint of your full submission
Supporting files hashed locally and never leave your device
Permanent, immutable record on the Hedera public ledger
Consensus timestamp establishes your legal priority date
Independently verifiable by anyone — no login required
Downloadable record file with your claim ID and Hedera identifiers
Proof + Secure Storage
Everything in Proof of Priority, plus your supporting files are encrypted in your browser and stored securely in the cloud. Only you hold the decryption key.
$500 one-time
+ $2/month per file stored · first month billed at checkout
Everything in Proof of Priority
Files encrypted with AES-256-GCM directly in your browser before upload
Encryption key held only by you — we never have access to your content
Stored in redundant, enterprise-grade cloud infrastructure
Cancel storage anytime — your ledger record remains permanent
Billing automatically adjusts if you delete stored files
How we compare
PriorMark is not a replacement for a patent — it is a fast, affordable way to establish prior art and protect your timeline before committing to a longer legal process.
PriorMark
$500
per submission
✓ priority is public · IP stays private
~60 seconds
vs
Patent Filing
$15k–$50k+
filing fees & legal
⚠ publicly discloses your IP
2–3 years
Provisional Patent
$1.5k–$3k+
with attorney
⚠ publicly discloses your IP
12-mo window only
Trade Secret Counsel
$500–$5k+
NDAs, assignments & policies
weeks to months
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