RE: Royalty-free Patent Policies for Open Source?

2002-11-21 Thread Lawrence E. Rosen
I'm aware most Open Source licenses have patent grants. But in all the cases I've seen, those grants are tied to the specific implementation. My impression is that the W3C requires that the patents be royalty-free for all possible implementations, not just your own. Right? Is

Re: Royalty-free Patent Policies for Open Source?

2002-11-21 Thread Ernest Prabhakar
Hi Larry, You wrote: The patent grants in most open source licenses are fully compatible with the W3C patent policy. The patent grants in the OSL and AFL are *not* tied to specific implementations and are broader than the W3C patent grant. I understand they may be compatible, but I'm not

RE: Royalty-free Patent Policies for Open Source?

2002-11-20 Thread Lawrence E. Rosen
Ernie Prabhakar asked (with reference to the W3C patent policy): Does anyone have good examples of patent grants that meet the terms of this policy? For example, has anyone actually licensed patents in this way for use by the Open Source community? Is there a well-defined way to