Look at the following site: it can't be copied to be posted here;

http://www.akingump.com./docs/publications/178.pdf

It has the ANSWER you seek.

The short ANSWER is YES a MARKMAN RULING is binding on no-party to case. They would be bound by a prior Markaman ruling...

I have been saying this since day one that DM announced they were suing VIVITAR...

Gil...