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Mewburn Ellis ranked ‘gold tier’ in IAM Patent 1000: The World’s Leading Patent Practitioners 2025
Joanna Smith - June 3, 2025

Mewburn Ellis ranked ‘gold tier’ in IAM Patent 1000: The World’s Leading Patent Practitioners 2025

We are delighted to once again be ranked ‘gold tier’ in IAM Patent 1000: The World’s Leading Patent ...

Most opposed companies at the EPO 2023
Katherine Green - September 17, 2024

Most opposed companies at the EPO 2023

The European Patent Office grants about 100,000 patents per year (EPO Statistics here). The grant ...

Most opposed patents of 2023
Katherine Green - February 2, 2024

Most opposed patents of 2023

Multiple sclerosis therapies are the subject of two of the most opposed patents of 2023. Novartis’ ...

Most opposed patents of 2022
Katherine Green - November 13, 2023

Most opposed patents of 2022

As with CRISPR, patents directed to Nobel Prize-winning technologies are viewed as extremely ...

Eight days – the longest ever opposition hearing at the EPO?
Katherine Green - November 7, 2022

Eight days – the longest ever opposition hearing at the EPO?

The EPO Opposition Division just issued its decision on European Patent 2 188 302 following an ...

Most opposed patents of 2021
Katherine Green - July 28, 2022

Most opposed patents of 2021

When we reviewed our list of the most opposed European patents of 2021, we found that the patent at ...

A guide to EPO opposition proceedings by videoconference
Katherine Green - January 26, 2022

A guide to EPO opposition proceedings by videoconference

EPO oppositions by videoconference only became possible relatively recently, in April 2020. In 2021 ...

Mewburn Ellis: top tier firm Legal 500 2022
Jacqueline Murphy - September 30, 2021

Mewburn Ellis: top tier firm Legal 500 2022

Mewburn Ellis is proud to be ranked top tier for our patent and trade mark practices in the 2022 ...

Most opposed patents of 2020
Katherine Green - September 6, 2021

Most opposed patents of 2020

Every year at the EPO about 3000-4000 patents are opposed. This figure represents only about 3-4% ...

Nobel Prize in Chemistry awarded for CRISPR
Katherine Green - October 9, 2020

Nobel Prize in Chemistry awarded for CRISPR "genetic scissors"

In 2012, Jennifer Doudna and Emmanuelle Charpentier published their ground-breaking paper in ...

Mewburn Ellis: top tier firm Legal 500 2021
Jacqueline Murphy - October 1, 2020

Mewburn Ellis: top tier firm Legal 500 2021

We are delighted to be ranked top tier for our patent practice in the 2021 edition of The Legal ...

Most Opposed Patents of 2019
Katherine Green - August 21, 2020

Most Opposed Patents of 2019

The four thousand or so European patents that are opposed every year represent only about 3% of all ...

EPO streamlining: the opposition timeline tightens
Katherine Green - February 24, 2020

EPO streamlining: the opposition timeline tightens

Our analysis of patent oppositions has revealed that early action has become imperative for ...

EPO oppositions: Nine key questions answered
Katherine Green - November 14, 2019

EPO oppositions: Nine key questions answered

Mewburn Ellis has dug deep into a decade of EPO life sciences' decisions to discover fresh insights ...

Meet The Team: Katherine Green, Partner, European Patent Attorney
Katherine Green - November 5, 2019

Meet The Team: Katherine Green, Partner, European Patent Attorney

As part of our 'meet the team' series, we talk to Katherine Green about her journey to becoming a ...

Oppositions - a case to remember. Flexibility around added matter
Katherine Green - October 30, 2019

Oppositions - a case to remember. Flexibility around added matter

Case 2 – T 0099/13 (EPO Board of Appeal, 14 January 2016)

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