Copyright & DMCA Policy
Last updated: February 2026
Our Commitment to Copyright Compliance
Apocalypsis takes intellectual property rights seriously. Every knowledge source included in our product has been individually reviewed and verified to ensure compliance with its license terms.
We exclusively use content that falls into one of the following categories:
- U.S. Federal Public Domain — works produced by U.S. Government agencies (FEMA, U.S. Army, USDA, CDC, NOAA, NREL, Peace Corps, etc.)
- Pre-1929 Public Domain — works published before 1929, now in the public domain under U.S. copyright law
- Creative Commons — works released under CC BY-SA, CC BY-NC, or similar open licenses, used in full compliance with license terms
- Open Access — works published under open access policies (FAO, educational institutions)
Attribution
Where required by the applicable license, we provide proper attribution to the original authors and publishers. A complete list of all sources with their respective licenses is available on our Knowledge Base page.
Non-Commercial Content (CC BY-NC)
Several sources from Hesperian Health Guides are included under the CC BY-NC 4.0 license. These materials are included for educational and humanitarian purposes. We maintain full attribution as required by the license.
DMCA Takedown Procedure
Despite our careful review process, if you believe that any content included in Apocalypsis infringes on your copyright, we will act immediately.
Send a takedown notice to dmca@apocalypsis.ltd identifying the copyrighted work and the specific content you believe infringes on your rights.
Upon receiving a valid takedown notice, we will promptly investigate and remove the content from our systems. We take every claim seriously and respond within 48 hours.
The removed content will be excluded from all future updates. Subscribers with active update plans will receive the corrected knowledge base automatically through our update system. We ensure that the infringing content is removed not only from our servers, but from all copies distributed to our users.
DMCA Notice Requirements
To submit a valid DMCA takedown notice, please include:
- Identification of the copyrighted work you claim has been infringed
- Identification of the material you claim is infringing and where it appears in our product
- Your contact information (name, address, phone, email)
- A statement that you have a good-faith belief that the use is not authorized by the copyright owner, its agent, or the law
- A statement, under penalty of perjury, that the information in the notice is accurate and that you are the copyright owner or authorized to act on their behalf
- Your physical or electronic signature
Counter-Notification
If you believe your content was removed by mistake or misidentification, you may submit a counter-notification to dmca@apocalypsis.ltd with the required information under 17 U.S.C. § 512(g).
Contact
For copyright-related inquiries: dmca@apocalypsis.ltd
For general inquiries: support@apocalypsis.ltd