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Advanced Drafting Techniques for Successful EPO (European Patent Office) Patent Applications Training Course

Many patent applications and patents are lost before the EPO, either before Opposition Divisions or before Appeal due to incorrect original drafting, and added subject matter is a recurrent problem. Learn advanced drafting techniques for successful EPO patent applications. *INCLUDES: Interactive workshop sessions and details of the latest case law and its implications*

★★★★★ "It was excellent and more than I expected."

3 Nov 2022

Need help?  Enrol now

  • Format: Classroom
  • CPD: 6 hours for your records
  • Certificate of completion

Why you should attend

Many patent applications and patents are lost before the EPO, either before Opposition Divisions or before Appeal. Incorrect original drafting and added subject matter are recurrent problems.

Amendments made during the grant procedure to incorporate new prior art amount to added subject matter, which is often fatal in opposition procedure before the EPO and in nullity proceedings before national courts.

Sufficiency of disclosure can also be a problem and if initial disclosure is insufficient, amending it can amount to adding subject matter.

The purpose of this seminar is to identify the problems of added subject matter and sufficiency of disclosure and show how they can be easily avoided by careful drafting.

Key topics covered:

  • Article 123(2) – identify and deal effectively with added subject matter
  • How to avoid problems with amendments
  • Article 83 – the importance of sufficiency of disclosure

Who should attend?

  • European patent attorneys
  • Patent attorneys in private practice
  • Corporate patent attorneys and lawyers
  • People working or training in intellectual property
  • US attorneys working in Europe
  • Trainee patent attorneys
  • EQE candidates

Those already familiar with the field will find these seminars valuable for updating their knowledge on the latest case law and its implications.

Enrol now

Daniel X Thomas

Daniel X. Thomas is an electronics engineer by training. He started his career in the patent field as search examiner at the former Institut International des Brevets in The Hague in 1971. After incorporation of the IIB into the EPO in 1978, he was search examiner in the EPO’s DG1. He joined the EPO’s DG2 in 1979 as substantive examiner in the field of computers and memories. He became a Director in DG2 in 1989, and subsequently headed directorates in various fields of electronics, physics and mechanics.

Although he retired from active service at the EPO on 1 January 2013, Daniel continues to be active in the field of training patent specialists. He still regularly gives lectures at different universities over Europe, including CEIPI in Strasbourg, and also leads workshops/seminars relating to various aspects of the European granting procedure for the epi and the Academy of the EPO, including preparation of candidates for the European Qualification Examination, and also ‘grandfathers’ for new Contracting States.

More details

Book Advanced Drafting Techniques for Successful EPO Patent Applications Classroom training

NEW higher discounts for multiple bookings - bring your colleagues to make your training budget go further:

  • 30% off the 2nd delegate*
  • 40% off the 3rd delegate*
  • 50% off the 4th delegate*

3 Nov 2022

London venue TBC

08:30-17:30 UK (London)
Course code 11784

  • GBP 599 699
  • EUR 839 979
  • USD 934 1,090

Until 29 Sep

  • 1 day classroom-based training
  • Meet presenters and fellow attendees in person
  • Lunch and refreshments provided
  • Download documentation and certification of completion
  • Fair transfer and cancellation policy

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* Early booking discounts may not be combined with other discounts or offers. As such, the discounts for 2nd/3rd/4th delegates are based on the full price.

Reviews of IPI's Advanced Drafting Techniques for Successful EPO Patent Applications training course

It was excellent and more than I expected.

Jun 16 2021

Taemin Kang
patent attorney trainee, NLO

Nov 9 2021

Really good, learnt a lot!!

Diptanil Debbarma
Trainee Patent Attorney, NLO

Jun 12 2019

Very good and practical course.

Rafi Bronstein
Patent Attorney, Daltan Consulting Ltd

Jun 12 2019

I really appreciate Mr Thomas – not only for his huge knowledge and experience about the rules and their application but also his ability to teach and explain in a very clear way.

Sara Miani
Paralegal, GLP SRL

Nov 14 2017

The speaker was perfect and the content of his presentation, as well the way of presenting it, was excellent.

Agneszka Zebrowska-Kucharzyk
European and Polish Patent Attorney, PATPOL

United Kingdom

  • Baytree IP Ltd
  • Cambridge Display Technology Ltd
  • HGF Ltd
  • HTC Europe Co. Ltd
  • Withers & Rogers LLP
  • Xaar Plc
  • Xeros Technology Ltd


  • Budde Schou
  • Budde Schou A/S
  • Guardian IP Consulting
  • Novo Nordisk
  • Novo Nordisk A/S
  • Plougmann & Vingtoft


  • Ion Beam Applications sa
  • Umicore
  • VIB


  • Kolster OY AB
  • Microsoft Mobile Oy
  • Primrose Oy


  • Alfa Laval Corporate AB
  • Bergenstråhle & Partners
  • Valea AB


  • AC Immune
  • F. Hoffmann-La Roche Ltd
  • JTI


  • IZI Patents
  • NLO


  • Yara International ASA


  • EP-Patent


  • BCF


  • Thermo Fisher Scientific (Bremen) GmbH


  • Bic Violex SA


  • Mettler Toledo India (GBSI)


  • Daltan Consulting Ltd





United States of America

  • Microsoft Mobile Oy

Enrol now

Run Advanced Drafting Techniques for Successful EPO Patent Applications Classroom for your team

1 day

Typical duration

Pricing from:

  • GBP 450
  • Per attendee
  • Course tailored to your requirements
  • At your choice of location, or online


We can customise this course to your requirements and deliver it on an in-house basis for any number of your staff or colleagues.

Contact our in-house training expert Aleksandra Beer to discuss your requirements:

Multiple colleagues? See above for details of our discounts for 2, 3, or 4 delegates. For more, talk to one of our training experts to discuss how to:

Run this course conveniently and cost-effectively in-house for your staff and colleagues

Aleksandra BEER
Training expert

+44 (0)20 7749 4749