Wilfried Ehmer

Ger­man Patent Attor­ney, Euro­pean Patent Attorney


Main areas of practice

  • Patents and Util­i­ty Models
  • Trade­marks and Designs
  • Oppo­si­tion and appeal pro­ceed­ings before the Euro­pean Patent Office
  • Free­dom-To-Oper­ate (FTO) and valid­i­ty opinions
  • Merg­ers & Acquisitions
  • Law on Employ­ee Inven­tions (Arb­n­Er­fG)

Wil­fried Ehmer has been work­ing in the field of Intel­lec­tu­al Prop­er­ty since 2002. Since 2008 he is pro­fes­sion­al rep­re­sen­ta­tive before the Euro­pean Patent Office (EPO) as well as the Euro­pean Union Intel­lec­tu­al Prop­er­ty Office (EUIPO). In 2014 he has been admit­ted as Patent Attor­ney, rep­re­sent­ing before the Ger­man Patent and Trade­mark Office (DPMA) and the Fed­er­al Patent Court (BPatG).

Before join­ing DTS, Wil­fried Ehmer was Head of Intel­lec­tu­al Prop­er­ty Rights at a group com­pa­ny based main­ly in the field of bev­er­age and pack­ag­ing indus­try. Pri­or to that he has been a Senior Patent Man­ag­er at an inter­na­tion­al com­pa­ny, hav­ing its busi­ness in the field of engi­neer­ing for the chem­i­cal industry.

Technical fields

  • Bev­er­age and food technologies
  • Asep­tic fill­ing technologies
  • Pack­ag­ing technologies
  • Logis­tic and stor­ing systems
  • Sen­sor sys­tems for automation
  • Process man­age­ment for mul­ti-machines pro­duc­tion lines
  • Chem­i­cal engineering
  • Mechan­i­cal Engineering


  • Chem­i­cal engi­neer­ing stud­ies at the Uni­ver­si­ty of Dort­mund (Diplo­ma), Germany.
  • Diplo­ma the­sis “Kinet­ic of the reac­tion of SO2 on cal­ci­um hydrox­ide par­ti­cles as a the­o­ret­i­cal and exper­i­men­tal diplo­ma thesis”.
  • Euro­pean Qual­i­fy­ing Exam­i­na­tion before the Euro­pean Patent Office (2008)
  • Train­ing as Ger­man Patent Attor­ney as indus­tri­al employ­ee includ­ing law stud­ies at the Uni­ver­si­ty of Hagen, the Ger­man Patent and Trade­mark Office (DPMA). Team mem­ber at DTS-Law since April 2021.


  • Ger­man
  • Eng­lish


  • Deutsche Vere­ini­gung für gewerblichen Rechtss­chutz und Urhe­ber­recht (GRUR)
  • Vere­ini­gung von Fach­leuten des Gewerblichen Rechtss­chutzes (VPP)

Foto: con­nol­ly weber, München