2
votes
1answer
266 views

What are the major take-aways on the first-(inventor)-to-file rules that go into effect March 16, 2013?

The last and possibly most significant change to the U.S. patent system from the AIA goes into effect in less than a month. What will it mean for inventors and for prior art submitters?
3
votes
2answers
210 views

Over time, which patent legislation applies, current or past?

Let's imagine a patent is filed in 2003 and later approved by the USPTO. Let's imagine someone wants to challenge it with valid prior art (year 2000 for example). Which legislation applies? The one ...