If you are looking for an excuse to visit Denver this June, there are three IP programs worth your attention.
The annual Denver IP Institute will be held May 31 – June 1: [Link];
There is a 2 1/2 day PCT seminar being held June 13-15 [Link]; and
The AIPLA Electronics and Computer Law Summit will be held on June 19th [Link].
If you want to visit the Denver Patent Office while you are here, you can find visitor information at this [Link].
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Update May 8, 2018:
Also, on May 30th from 4:00-6:00, there will be a reception at the Denver Patent Office for USPTO Day: [Link].