EIP promotes Callum Docherty to Principal in the US

Published March 20, 2026

EIP is pleased to announce the promotion of Callum Docherty to Principal, recognizing his substantial contribution to the firm’s international patent practice and his leadership within EIP’s growing US team.

Docherty is a UK and European Patent Attorney, a registered US Patent Agent, and a UPC Representative. With over a decade of experience in the patent profession, he specializes in drafting and prosecuting inventions across software, AI/machine learning, physics‑based innovations, autonomous systems, electronic devices, semiconductors, photonics, quantum computing, and green technologies. His cross‑jurisdictional practice spans the varying requirements of US and European patent offices, and he regularly advises clients on global patent strategy.

With a background in physics, Docherty is well placed to assist with technically advanced inventions. He has experience across the full patent lifecycle, including EPO Oppositions and Appeals, and works closely with companies and inventors to provide tailored strategic advice aligned with their commercial objectives.

Before entering the patent profession, Docherty completed a PhD in Condensed Matter Physics at the University of Oxford, researching graphene and other 2D materials using terahertz spectroscopy, followed by postdoctoral research at Oxford’s Department of Physics.

Magnus Hallin, CEO, EIP: “Callum brings an exceptional combination of technical depth and strategic clarity. His ability to navigate the differences between US and European practice has been instrumental in helping clients protect cutting‑edge technologies across global markets. We are delighted to recognize his achievements with this promotion to Principal.”

Eric William, Senior Partner, US: “Callum has rapidly become a key contributor to our US practice. His experience across AI, physics, and complex software‑driven inventions, combined with his UK, EPO, and US patent office qualifications, has made him an invaluable resource to colleagues and clients. His promotion reflects both his technical excellence and his commitment to client service.”

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