Ownership Group

Shelston IP companies are incorporated entities owned by IPH Limited, a public company that is the holding company for a number of intellectual property professional services and adjacent businesses operating under different brands across the Asia-Pacific region.

For the purposes of the Australian and New Zealand Code of Conduct for Trans-Tasman Patent and Trade Marks Attorneys 2018, Shelston IP Pty Ltd is an incorporated registered patent and trade mark attorney, and a member of an ‘ownership group’ within the meaning of the Code.

The ownership group comprises GH PTM Pty Ltd, GH Law Pty Ltd, Watermark Intellectual Property Pty Ltd and Watermark Intellectual Property Lawyers Pty Ltd (all operating under the Griffith Hack brand in Australia)^, Pizzeys Patent and Trade Mark Attorneys Pty Ltd, Spruson & Ferguson Pty Limited, Spruson & Ferguson Lawyers Pty Ltd, AJ Park IP Limited (and affiliated company AJ Park Law Limited), Shelston IP Pty Ltd and Shelston IP Lawyers Pty Ltd. Additional incorporated patent and trade mark attorney entities operating as ‘Pizzeys’ and ‘Spruson & Ferguson’ form part of the IPH Ltd group outside Australia and New Zealand.

Information on all legal entities forming part of the IPH Limited group is available here. ^With effect from 4 May 2020 Watermark Intellectual Property Pty Ltd and Watermark Intellectual Property Lawyers Pty Ltd operate as part of the Griffith Hack business and will be fully integrated into GH PTM Pty Ltd and GH Law Pty Ltd in July 2020.

Group Relationships

Each of the IPH group professional services attorney businesses of Griffith Hack, Pizzeys, AJ Park, Spruson & Ferguson and Shelston IP operate independently from one another in the provision to clients of attorney professional services.*

*A group business may in some cases engage or be engaged by another group business as a foreign agent or lawyer.


For more information on the key principles to which each IPH group business adheres with respect to independence, appropriate disclosure of group relationships and the management of actual or potential conflicts of interest see our  Group Relationship Statement