Is it possible to find out through USPTO database before the grant of the patent that patent application was made under "hired to invent" doctrine?
Is there a risk that after paying to an applicant for a patent application assignment you may find out that it violates his obligation before his employer under "hired to invent" or other doctrine?
What does happen to provisional patent application in case it was not transformed into a "full" patent application? Is it to be deleted from USPTO database? If not where can you find an information about its status?