..shboomer..The $800M is loosely based on a reported valuation some time ago of "$1B" of which some has already been received, plus a bit added back in since one might reasonably hope that "early adopter discounts" are in the past....

.. mikesmark wasn´t that a quote from tpl in 2010, so not a quote from ptsc ? wasn`t tpl called "not trustworth" ?

I'm not sure what part of my post you seem not to understand. I am showing an approach to calculating a reasonably realistic value of a PTSC future stock price based on total lifetime potential gross license fees.

From what I recall I believe the "$1B" was reported as something said by the PTSC Board Member (and also PDS Board member) Carlton Johnson based on information he reported had from PDS and/or TPL.

If you have a different concept for an approach then by all means post it.