The symbol librock_DM_PATGRANT has the following meaning(s) in the Librock License Awareness System

Redistribution of modifications must include a royalty-free grant of patent license for the software.

Compatibility/Conflicts based on this symbol

WARNING: It is folly to assume that a simple program like this can do anything more than find and report some of the biggest problems, while leaving others undetected. This system does not match the educated human intelligence required to interpret and apply licenses. On the other hand, it can be useful to identify some license clauses which deserve extra scrutiny.

This symbol has no recorded conflicts with the Open Source Initiative's Open Source Definition.

This symbol has no recorded conflicts with the Free Software Foundation's definition of Free software.

GPL: CONFLICT. Based on this symbol, the license is not GPL-compatible. You may not distribute derivative works covered by the GPL and this license.
GNU General Public License Version 2, June 1991 (6. FSF says IBM public not compat)

This symbol has no recorded conflicts with closed source licensing.

Example Licenses

Some licenses with the symbol in their TAGS string, (with section identifier or notes) are:

Apple Public Source License Version 1.2 (3)
IBM Public License Version 1.0 (2.b)
Jabber Open Source License Version 1.0 (2b)
Mozilla Public License Version 1.0
Mozilla Public License Version 1.1 (2.2b)
Netscape Public License Version 1.0 (2.2 b)
Sun Solaris Source Code (FR) Version 1.1 December 4, 2000 (III.B)