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Slingsby Partners LLP

David King

David has been in the intellectual property profession since 2007.  He is a Chartered Patent Attorney and a European patent attorney.

David has experience of drafting and prosecuting patent applications to grant in a diverse range of technology areas, including: electronics, signal processing algorithms, automotive systems, mechanical devices, chip manufacture, computer network processing and green energy production.  He has prosecuted patent applications in every major jurisdiction in the world.  He has experience of amending pending patent applications to target third party infringements.

David has experience of filing design applications in the major jurisdictions around the world.  He has experienced the differing design requirements required by each of those jurisdictions.

David has several years’ experience of US patent litigation, including preparing non-infringement and invalidity arguments, prior art searching and presenting argumentation and prior art to client’s customers.  David has drafted infringement contentions for use in US patent litigation.  He has drafted US re-examination requests and prosecuted them in collaboration with US attorneys.  David has prepared corporate witnesses for deposition and assisted during those depositions.

David has experience at reading software and hardware code written in a variety of languages including C and Verilog.  He has used this skill to undertake detailed analyses of code for infringement and validity purposes.

David has experience of due diligence, including auditing a spin-out company’s IP portfolio, freedom to operate searches and advising on infringement risks.  He has provided advice on entitlement and inventorship issues.  He has advised clients on infringement and validity of patents and patent applications.

David is a member of the Institute of Physics.

Legal 500:

2018: "Also recommended are David King, who has 'a highly organised and intellectual grasp of all technical matters'"

IP Stars:

2018: "Other notable senior patent attorneys are ... David King, who was promoted to partner in 2017. “David is an excellent IP practitioner with an ability to understand and develop complex technologies with our engineering teams,” a client comments. Another adds: “David King is very knowledgeable in patent law and able to learn complex inventions rapidly in order to ensure that they are explained and protected.”









David King


David King

Qualified 2011
Partner 2017

European Patent Attorney
Chartered Patent Attorney
European Design Attorney

MPhys (Oxon), Physics




The Legal 500 - The Clients Guide to Law Firms