Keep Technology Open For All
Protect freedom-to-operate by easily placing your ideas, methods, and findings in the public domain.
How the PDC works
We make it simple!
The PDC guides you step by step through publishing an enabling disclosure of your ideas, methods or findings.
Immediate Publication
Your PDC contribution qualifies as prior art immediately upon publication.
Meet All Requirements
It is date-stamped and contains sufficient detail for others skilled in the area to use your ideas, methods or findings.
Free For All
PDC prevents others from obtaining a patent on the same ideas, methods or findings and helps build and safeguard the public domain for all to use.
What you can expect with the PDC
| How Does PDC Compare? | wdt_ID | Free to use | Instant publication | Rich metadata | Low preparation | Highly accessible | Easily searchable | No review |
|---|---|---|---|---|---|---|---|---|
| Public Domain Chronicle | 1 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Defensive Publication Service | 2 | ✓ | ✓ | |||||
| Traditional Journal | 3 | ✓ | ✓ | |||||
| Open Access Journal | 4 | ✓ | ✓ | ✓ | ||||
| Preprint Server | 5 | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| Patent Document | 6 | ✓ | ✓ | |||||
| Weblog | 7 | ✓ | ✓ | ✓ | ✓ | ✓ |
Contribute to the Public Domain
Have Questions?
Click here for Public Domain Chronicle FAQs