This should be a topic for continual discussion IMO...
I am not aware that the new legislation will abolish provisional patent apps. From what I have gathered, it will just make them much more important. And it means the inventor must ivnest either in the time required to learn how to write a good enough provisional patent, or the services of an agent or attorney. The main difference is that with the new legislation, there is no one year grace period, or the importance of the grace period is changed.
It might be worth noting, the provisional patent app was not introduced by the USPTO to help inventors by giving them a cheap way to acheive a filing date. The provisional patent app was meant to be a tool that could be used by US companies (or inventors) who wanted to be on the same level as foreign applicants that could file an app in their own country to establish a priority date before filing their app in the US. It was never meant to be a tool used to accomlish cost advantages for anyone. To quote the USPTO's website:
Under the provisions of 35 U.S.C. § 119(e), the corresponding non-provisional application would benefit in three ways: (1) patentability would be evaluated as though filed on the earlier provisional application filing date, (2) the resulting publication or patent would be treated as a reference under 35 U.S.C. § 102(e) as of the earlier provisional application filing date, and (3) the twenty-year patent term would be measured from the later non-provisional application filing date. Thus, domestic applicants are placed on equal footing with foreign applicants with respect to the patent term.
http://www.uspto.gov/web/offices/pac/provapp.htm
I am in favor of the USPTO instituting a inventor friendly version of the provisional patent app, or something to that extent, in the event our country switches to first to file. But anyways...
" Then, time will pass without the small inventor being able to prove they are practicing due-diligence."
This issue currently exists today when an inventor has not filed for patent protection or has filed a subpar provisional app. Its not affected by first to file unless it is true that provisional apps will be abandoned. And even in that case, many inventors that file subpar provisional apps based on common misconceptions wouldn't be affected.
"Sooner or later, the large corporations will stumble across the idea (even a blind hog roots an acorn every now and then) and end up patenting it before the small inventor."
This is still an issue today. Sure there's the one year grace period. But if an inventor relies on that or relies on a subpar provisional app, it will be up to them to prove "first to invent" and diligent pursuit in a court of law. Further, hypothetically under today's system, you can be the first to invent, show diligent process, file a patent app, and then a large company can file a patent app after you - and can still render your patent app useless if they can come up with enough evidence that they invented the product and showed diligent pursuit behind the scenes before you did. In fact, not only could they render your patent app useless, but this would render their patent protection as useful.
Sure, it doesn't happen much as far as I am aware, but thats because our country already on a certain level operates on a "first to file" basis in that "first to invent" is not often used in court to establish priority.
One thing a switch to first to file does accomplish, even if only slightly, is it lessens reliance on litigation and its equivalent. This is one of the main goals of the patent reform act which continues to be modified on an ongoing basis so that it can pass thru Congress (it was initially introduced as the Patent Reform Act of 2005 as noted by Wikipedia). This favors the poor inventor because litigation is where he/she faces the biggest disadvantage.
So - I do respect your experience, knowledge, and willingness to fight for invetors Tony - but I have to respectfully disagree a little bit on this subject. I look forward to further discussion on it, however. I think one thing everyone agrees on is that patent reform is needed. And I do agree that the patent reform act as it currently stands is imperfect, most particularly as it relates to a switch to "first to file."