Our Attorneys

Tom Ahearn (consultant)

Tom is regarded by many as the patriarch of the patent and trade mark attorney profession in Queensland, having started in 1951. He qualified as a patent attorney in 1955 and for a significant period was the only patent attorney in Queensland. Tom also served a term as a Government Member in the Queensland parliament. 

Dan Fox

Dan comes from an agricultural background and he also spent a number of years in engineering before becoming a patent examiner and then a registered patent attorney. He is a Chartered Professional Engineer and a Member of the Institution of Engineers Australia. Dan has a great deal of experience in patent and trade mark litigation and works with a wide range of mechanical inventions such as agricultural machinery, engines, vehicles, pumps, valves, medical devices, etc.      

Bill Anderson

Bill is a Chartered Professional Engineer and a Corporate Member of the Institution of Chemical Engineers in Australia. He is also a member of the Engineering Council of the United Kingdom. Bill’s experience predominantly lies in the fields of industrial filtration and membrane separation technology. Bill handles inventions across a wide range of technology particularly in the areas of industrial chemistry. He also has a great deal of experience in commercial aspects of intellectual property rights. Bill has a passion for computer technology and has dealt with a significant number of computer related inventions.  

Ian Tannahill

Ian is regarded by many as the most experienced trade mark practitioner in Queensland. Ian represents many small, medium and large enterprises in Queensland and northern New South Wales, including a number of Australian "icons". He also represents a number of multinational corporations in patent and trade mark matters and has earned a reputation for providing dedicated service to his clients. Ian is a mechanical engineer, with majors in manufacturing and marine engineering and has written patent specifications in many different areas over his twenty-five years in the profession. Ian regularly presents at seminars for inventors, members of the legal fraternity and universities in Brisbane.