There is the on-going question how trademarks, patents and copyrights can bring free, libre software into trouble and issues. So first to summarize the worst points:

• trademarks could affect the redistribution freedom
• patents can affect to write compatible code, especially aggressive stated ones in regards of reverse engineering

Hyperbola as system is oriented to make true free, libre software possible and included. Following up the definitions:

• free patents (eg. non imposition of forbid inverse enginerring)
• free copyright
• free trademark (eg. non imposition of permission for redistribution)