PriorMark
Intellectual Property Protection
Pricing
Simple, transparent pricing
One-time fee to establish your timestamp on the public ledger. Optional encrypted file storage is billed monthly — cancel anytime without losing your record.
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
$150 – $250
per submission
(up to 20 documents)
priority is public
IP stays private
~60 seconds
vs
Trade Secret Counsel
$500–$5k+
NDAs, assignments & policies
⚠ no timestamp on record
weeks to months
Creative IP Counsel
$2k–$10k+
authorship disputes & contracts
⚠ no independent timestamp on record
weeks to months
Patent Application
$1.5k–$50k+
provisional or full filing + legal
⚠ publicly discloses your IP
12 months to 3+ years
Forensic Timestamp
Trade Secrets
Creative Works
Inventions
Content Private
No Filing Required
PriorMark
✓
1
✓
✓
✓
2
✓
3
✓
Trade Secret Counsel
✗
✓
Partial
✗
✓
✓
Creative IP Counsel
✗
Partial
✓
✗
✓
✓
Patent Application
Partial
4
✗
✗
✓
✗
✗
1
The SHA-3/512 fingerprint and consensus timestamp are permanently written to the Hedera public ledger — independently verifiable by anyone by recomputing the hash from your original files. No trust in PriorMark required.
2
PriorMark establishes proof of prior possession and supports prior art challenges and a prior commercial use defense under 35 U.S.C. § 273 — you may continue using your invention even if someone else is later granted a patent. It does not grant exclusive patent rights. Using a PriorMark record as prior art requires sufficient technical disclosure — consult a patent attorney.
3
File contents are never disclosed — only SHA-3/512 fingerprints reach the ledger. Your title, summary, and description are publicly readable on the Hedera ledger.
4
A patent establishes a government-assigned priority date but publicly discloses your IP and requires a formal filing. It is not an independent forensic timestamp — the priority date is assigned by a government office, not a public distributed ledger.
Jurisdiction note
Broadly informed by US IP concepts; not a legal analysis for any particular region. Laws vary significantly by country. PriorMark's ledger record is globally accessible — as example, courts in France (2025) and China (2018) have also accepted blockchain timestamps as evidence. Consult local counsel for your jurisdiction.
Nothing on this page constitutes legal advice. Consult a licensed attorney for guidance specific to your situation.
Legal Precedent →Two Ways to Protect Your IP
Proof-Only
Your files never leave your device — ever. We record only a cryptographic fingerprint on the public Hedera ledger, giving you a tamper-proof timestamp without surrendering your content to anyone.
$150 one-time
No recurring charges. Your ledger record is permanent.
Your files never leave your device — SHA-3/512 fingerprints are generated locally and recorded on-chain on the Hedera Ledger
Title, summary, and description written publicly to the same Hedera ledger
Permanent, immutable record on the Hedera public ledger
Consensus timestamp establishes legally defensible proof of prior possession
Independently verifiable by anyone — no login required
Downloadable record file with your claim ID and Hedera identifiers
Proof + Storage
Everything in Proof-Only, plus an encrypted backup of your files stored securely with us. If your local copies are ever lost or altered, your backup is here — and only you can decrypt it.
$250 one-time
+ $5/month per file stored · first month billed at checkout
Everything in Proof-Only
Your files backed up here — encrypted with AES-256-GCM before leaving your browser
Only you hold the decryption key — we do not have the ability to read or alter your files
Stored in redundant, enterprise-grade cloud infrastructure
Cancel storage anytime — your ledger record remains permanent
Billing automatically adjusts if you delete stored files
Need custom pricing?
If the standard tiers don't fit your situation — high submission volume, team or enterprise use, or budget constraints — reach out. We're happy to discuss what works for you.
Contact us about custom pricing →© 2026 PriorMark. All rights reserved.