Guillaume Henry defends the interests of French companies and of international groups.
From 2014 to 2017, he successfully defended a German car manufacturer in a patent dispute.
In 2017, he obtained the validation of the trademarks of the first television channel dedicated to fashion.
In 2017 and 2018, he represented two major companies in the construction and public works field (patent).
Since 2014, he has been working for one of the major players in the housing and DIY sector (software, designs, patents).
From 2011 to 2016, Guillaume Henry was an associate researcher at the IRPI (Intellectual Property Research Institute).
In 2010, he was awarded the AIPPI International Prize.