Elfrun Ratzke

Senior Associate

Dr. rer. nat., M.Sc.

Dr. Elfrun Ratzke has been working in the field of intellectual property since 2016 and is authorised to represent clients before the European Patent Office (EPO), the German Patent and Trademark Office (GPTO), the Unified Patent Court (UPC), the German Federal Patent Court (BPatG) and the European Union Intellectual Property Office (EUIPO). As a patent attorney at df-mp, she joined our team in the field of chemistry and pharmacy in 2021.

+ 49 89 210 296 0
elfrun.ratzke@df-mp.com

Elfrun Ratzke

Senior Associate

Dr. rer. nat., M.Sc.

Dr. Elfrun Ratzke has been working in the field of intellectual property since 2016 and is authorised to represent clients before the European Patent Office (EPO), the German Patent and Trademark Office (GPTO), the Unified Patent Court (UPC), the German Federal Patent Court (BPatG) and the European Union Intellectual Property Office (EUIPO). As a patent attorney at df-mp, she joined our team in the field of chemistry and pharmacy in 2021.

+ 49 89 210 296 0
elfrun.ratzke@df-mp.com

practice areas.

Dr. Ratzke advises national and international companies on all questions of intellectual property protection. Her technical focus is on the fields of biochemistry, in particular bioorganic synthesis and pharmaceutical chemistry. She is responsible for conducting patent application, opposition, appeal and nullity proceedings.

admissions.

  • Patent Attorney
  • European Patent Attorney
  • Unified Patent Court (UPC) representative
  • European Trademark Attorney
  • European Design Attorney

curriculum vitae.

Since 2021
Since 2021

Patent Att­or­ney and Euro­pean Patent Att­or­ney at df-mp

2018-2021
2018-2021

Patent Att­or­ney at the Mit­scher­lich law firm

2016-2019
2016-2019

Trai­ning as a patent att­or­ney at the law firm Kraus & Wei­sert, intern­ship at the Dis­trict Court Munich I, at the Ger­man Patent and Trade­mark Office and the Fede­ral Patent Court

2011-2016
2011-2016

PhD at the Lud­­wig-Maxi­­mi­­li­ans-Uni­­ver­­­si­­ty of Munich in the field of phar­maceu­ti­cal che­mis­try in coope­ra­ti­on with the Struc­tu­ral Geno­mics Con­sor­ti­um of the Uni­ver­si­ty of Oxford (dis­ser­ta­ti­on topic: deve­lo­p­ment of tria­zo­lo­ben­zo­tria­ze­pi­nes and tria­­zo­­lothie­­no-tria­­ze­pi­­nes as sel­ec­ti­ve inhi­bi­tors of bro­mo­do­mains of the BET fami­ly).

2005-2011
2005-2011

Stu­dies (B.Sc. and M.Sc.) of bio­che­mis­try and che­mis­try with focus on bio­or­ga­nic che­mis­try at the Uni­ver­si­ty of Bie­le­feld, Bache­lor, Mas­ter and rese­arch work in bio­or­ga­nic syn­the­sis che­mis­try: “Syn­the­sis of peptide‑, sugar-based mole­cu­les as well as inhi­bi­tors and their cel­lu­lar test­ing”

2011
2011

Sci­en­ti­fic acti­vi­ty at Merck KGaA, Darm­stadt

2009-2010
2009-2010

Rese­arch intern­ship at James Cook Uni­ver­si­ty in Towns­ville, Aus­tra­lia 

association memberships.

publications.

  • Belluau, P. Noeureuil, E. Ratzke, A. Skvortsov, S. Gallagher, C. A. Motti, M. Oelgemöller, Photodecarboxylative benzylation of phthalimide in pH 7 buffer: a simple access to 3-arylmethyleneisoindolin-1-ones, Tetrahedron Letters2010, 51, 4738-4741.