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ARTICLE · 25 JANUARY 2021

Supporting Claims To New Crystalline (Polymorphic) Forms – How Many Peaks Are Enough?

We have recently witnessed IP Australia Examiners issuing lack of support and enablement objections that require at least 10 XRPD peaks in a claim to appropriately support and define a novel/inventive polymorph.

AustraliaIntellectual Property

We have recently witnessed IP Australia Examiners issuing lack of support and enablement objections that require at least 10 XRPD peaks in a claim to appropriately support and define a novel/inventive polymorph.

The Support Objections

The support objections raised by Examiners are based on sub-sections 40(3) and 40(2)(a) of the Patents Act 1990 (Cth) and typically take the following form:

Sub-section 40(3) – that the claims are drafted so broadly that their scope extends beyond the disclosure of the specification to encompass possibilities which cannot be readily predetermined or assessed by what is disclosed, and that the specification does not provide sufficient directions as how to put the claimed invention into practice; and

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