This is a handy table of timings and applicability of the various changes in the Act.
| Item | Date of Change and Applicability
|
| Fee Surcharge (15%) | September 26, 2011
For all fees paid after this date |
| First to File | March 16, 2013
For all patent applications having an effective filing date on or after this date |
| Prioritized Examinations | September 26, 2011
Applications filed after this date, upon payment of fees, or request based on economy/competitiveness regulations |
| Public use/on sale bar
international |
March 16, 2013
For all patent applications having an effective filing date on or after this date |
| Derivation Proceedings | March 16, 2013
For all patent applications having an effective filing date on or after this date |
| Submission Of Art and
Argument by Third Party |
September 16, 2012
For all patents, then pending, or later filed |
| Assignee May File Patent
without inventor signature |
September 16, 2012
All patent applications filed on or after this date. |
| Elimination of Tax Strategy & Human Organism patents | September 16, 2011
Applies to all patents pending on, filed on, or filed after this date. |
| Prior Commercial Use Defense | September 16, 2011
Applies to all patents issued on or after this date |
| Post Grant Review for Business Method Patents | September 16, 2012
Applies to all patents, regardless of issue date. |
| Post Grant Review | September 16, 2012
Applies to all patents issued less than nine months before, on, or after this date. |
| Inter Partes Review | September 16, 2012
Applies to all requests for inter partes reexam filed after this date. |
| Supplemental Examination | September 16, 2012
Applies to any patent issued before, on, or after this date |
| Elimination of Best Mode In Litigation | September 16, 2011
For any proceeding commenced on or after this date. |
| Restriction of Joinder and Venue | September 16, 2011
For any proceeding commenced on or after this date. |
| Virtual Marking and restriction of
Marking cases |
September 16, 2011
For any proceeding pending on, or commenced on or after this date. |