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Sectors
  • Energy & Environment
  • Life Sciences
  • Agritech
  • Medical Technologies
  • Chemistry
  • Transport
  • Entertainment & Creative Industries
  • Food & Drink
  • Fashion & Retail
  • Universities & Research Bodies
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Photo: David Lang

David Lang

Associate

Europe
London

Get in contact

+44 20 7420 0000 dlang@marks-clerk.com
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David practises in patent matters in three main areas: healthcare, advanced materials, and food technology. David drafts, files and prosecutes patent applications worldwide, advises on freedom to operate, and is experienced in opposition and appeal matters at the European Patent Office, litigation in the UK, and supplementary protection certificates (SPCs) in the UK, EU and beyond.

In the healthcare sector, David routinely advises on inventions relating to new chemical entities and formulations, new indications for existing medicines, and medical devices. David has particular experience in antiviral medicines and wearables.

David is experienced in handling patents in the advanced materials sector, in particular the material processing of nanomaterials and polymers, as well as optoelectronic devices such as organic and inorganic LED devices and solar cells.

In the food technology sector, David regularly drafts and prosecutes patent applications relating to novel foods and ingredients and improvements in food processing.

Before joining Marks & Clerk, David received his Masters in Chemistry from Durham University for his research into activity-based probes for the discovery of new druggable targets in neglected tropical diseases.

Specialist in

  • Patents
  • Chemistry
  • Energy and environment
  • Medical technologies

Qualifications

MChem

Search our people

Latest articles by David Lang

Article
- 02 December 2021

New requirements affecting EPO applicants claiming priority from Chinese, Korean & US patent applications

New formalities requirements affecting EPO applicants claiming priority from Chinese, Korean and United States patent applications
Read more
Article
- 02 December 2021

M&C Reacts: EPO stays examination and oppositions where “plausibility” is in issue

The question of whether evidence filed after the priority date of a patent application (so-called “post-published evidence”) can be taken into account in the determination of inventive step has been a hot topic in Europe for several years.
Read more
Article
- 02 March 2021

AI in the pharmaceutical industry

AI is set to revolutionise how new pharmaceuticals are brought to market. So why aren’t the major pharmaceutical companies filing patents to AI-related inventions?

Read more
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