1. Within two months of service of an Application to amend the patent, the defendant shall lodge a Defence to the Application to amend the patent setting out whether he opposes the Application to amend the patent and, if so, why:
(a) the proposed amendments are not allowable; and
(b) the patent cannot be maintained as requested.
2. Where appropriate in view of the proposed amendments, the Defence to the Application to amend the patent may contain submissions in accordance with Rule 44(d) to (h)  and alternative non-infringement submissions.
3. The proprietor may lodge a Reply to the Defence to the Application to amend the patent within one month of service of the Defence and the defendant may within one month of the service of the Reply lodge a Rejoinder to the Reply. The
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The claimant shall, subject to point (b), lodge a Statement for revocation at the Registry in accordance with Article 7(2) of the Agreement and Annex II thereto.
(d) an indication of the extent to which revocation of the patent is requested;
(e) one or more grounds for revocation, which shall as far as possible be supported by arguments of law, and where appropriate an explanation of the claimant’s proposed claim construction;
(f) an indication of the facts relied on;
(g) the evidence relied on, where available, and an indication of any further evidence which will be offered in support;
(h) an indication of any order the claimant will seek during the interim procedure [Rule 104(e)];