An Australian Patent Opposition Round-Up from the Patent Office Journal dated 12 April 2012.
No patent applications were opposed as at 12 April 2012.
Opposition proceedings to the following patent applications have been withdrawn as at 12 April 2012.
| Patent Application No. | Applicant(s) | Opponent |
| 2008269556 | Cadbury Holdings Limited | Mars, Incorporated |
| 2010200162 | Australian Mud Company Pty Ltd | Ranger Survey Systems Pty Ltd |
The following applications for Extension of Patent Term have been made and are open for public inspection as at 12 April 2012.
| Patent Application No. | Applicant(s) | Goods & Earliest Reg. Approval |
| 2007216721 | Centre National De La Recherche Scientifique; L’Universite Montpellier II; and Idenix Pharmaceuticals, Inc. |
SEBIVO telbivudine, 5 March 2007 |