Preserve Your Space to Innovate

Discreet. Verifiable. Worldwide.

Strategize, not oversize your IP budget. Establish prior art through defensive publishing and help preserve freedom to operate with discreet public exposure.

DOI

DOI® Member
Because proof deserves
a permanent identity

Globally Recognized Prior ArtCitable across major patent jurisdictions.
Discreet Public DisclosureFindable via search, protected from scraping.

Seamless Defensive Publishing

4 steps to disclose your invention and open up your portfolio

See how it worksHow-To Video
1
Step Icon

Prepare

Create your document that describes and shows your invention
2
Step Icon

Upload

Use our form to upload your publication as a PDF document
3
Step Icon

Approve

Your submitted data will be confirmed by fee payment
4
Step Icon

Publish

Your defensive publication is disclosed in our archive

Support your Freedom to Operate & beyond

Proofbox supports inventors and companies in building a sustainable innovation strategy through efficient use of resources.

With IP-related services, Proofbox helps to optimize your budget in a targeted way. We support you in compliance with international requirements, GDPR, and relevant ISO standards, ensuring complete data sovereignty at all times.

Proofbox is a platform for defensive publications and Proof of Existence (PoE). With a defensive publication, you can create verifiable prior art and prevent third parties from patenting the same invention. With our PoE service, you can verify trade secrets and prior internal use.

European UnionDeveloped in Europe
ISO-certified data centersISO-certified data centers
Fully EU GDPR compliantFully EU GDPR compliant
End-to-end encryptedEnd-to-end encrypted
Defensive Publishing

Defensive Publishing

Expand your innovation space through provable publication of inventions, trade fair appearances, brand use, innovations, etc.

  • Immediately establish prior art and avoid exclusivity for third parties later on
  • Decrease the risk of rapid public information distribution and maintain global establishment through our discreet publication process
  • Eliminate costly evidence requirements for prior use in third-party proceedings
More about publishing →
codeSEAL

codeSEAL

Tamper-proof, eIDAS-compliant proof of existence for your source code. Directly integrated into your Git workflow. No code leaves your environment. Ever.

  • Git-native workflow integration
  • Cryptographic hash only: no code transmitted. Ever.
  • eIDAS-compliant qualified eSeal
Learn more about codeSEAL →
Online-Only Archiving

Online-Only Archiving

Paywall-protected, freely but securely accessible, searchable, recognized, and with verifiable availability

  • PCT-, EPC-, 35 U.S.C.-, CIPO-, CNIPA-, JPO-, ARIPO-, and EAP-compliance: Every publication through Proofbox is recognized as prior art
  • Protected from bots, crawlers and AI by a paywall
  • No connection to third-party services such as other databases, journals or libraries
Discover online-only archiving →
Proof of Existence (PoE)

Proof of Existence (PoE)

Verify trade secrets and prior internal use with legally secure, qualified timestamps

  • Proof of trade secrets and internal know-how with verifiable timestamp
  • Documentation of prior internal use for use in legal proceedings
  • eIDAS-compliant qualified electronic seal with long-term validation (LTV) as proof of time and integrity
Learn more about PoE →

This sets us apart from other providers

Establish enforceable prior art with minimized dissemination.

  • Discreet disclosure: automated competitor monitoring ist not possible for the full content of any disclosure
  • Discoverability of every publication through SEO in accordance with USPTO and European case law, including EPO decisions G1/92 and T952/92
  • Qualified electronic seal and timestamp: eIDAS compliant with long-term validation LTV
  • Minimal attention through paywall-restricted access to individual publications and still recognized according to EPO OJ 2009, 456-462
  • Binding publication through logged discoverability for each defensive publication, everyday
DOI
SIGN8
eIDAS compliant

Publish any eligible content

Anything you want to preserve from being patented or claimed by third parties

  • Descriptions of inventions, processes, business models, or memos on innovations and ideas
  • Source code, flowcharts, commit history, system architecture documentation, screenshots, notes
  • Documentation of a trade show appearance, or documentation of prior internal use
  • Plans, drawings, designs and technical drawings, sketches, and illustrations
  • Cascaded publications to ensure comprehensive disclosure
  • Immoral or offensive content, or any information that infringes the rights of third parties

Strategically Preserve Your Space to Innovate

Feel free to ask questions or reach out directly - we are happy to help you get started

FAQ Assistant

FAQ Assistant

Get instant answers to your questions about defensive publishing and our services.

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