So who owns the patent? “On the record presented, the Court concludes that AUO has demonstrated by credible chain of title evidence that it is the assignee of” U.S. Patent No. 6,689,629. Apparently realizing its potential problem, IBM US had also filed assignments from the inventors to IBM US in May 2007 (the lawsuit was… Continue reading

Here’s the assignment history, you be the judge: 1960: IBM Japan enters into a patent assignment agreement with IBM World Trade. January 1, 1963: IBM acquires from IBM World Trade all patents IBM World Trade has or thereafter acquires. June 25, 1981: amendment to 1960 agreement in between IBM Japan and IBM World Trade, stating… Continue reading