Representative before the EPO

Employment test 51 - 200 employees
Company dna boehmert and boehmert
operating since 1930
Headquarter in Bremen and 11 offices
active in Legal Services and IP Consulting

Partner/Owner

Employment test 1 - 10 employees
Company dna dr langfinger and partner
no operation time available
Headquarter in Frankfurt am Main and 1 office
active in Legal Services and Matchmaking and Trading

Klaus Dieter Langfinger has worked on the following 29 EPO patent applications which have been published in the last five years:

EP11007868

Spirobifluorene compounds for light emitting devices

IPC classification:
C07D 265/38, C09K 11/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION WITHDRAWN
EP11010251

Crosslinkable arylamine compounds

IPC classification:
C07C 211/54, C07C 211/58, C07C 211/61, C07D 209/86, H01L 51/50
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION WITHDRAWN
EP11010250

Crosslinkable compositions comprising addition polymerizable monomers

IPC classification:
C09K 11/06, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION WITHDRAWN
EP11758105

DEVICE FOR TAKING AND PROCESSING A SAMPLE

IPC classification:
A61B 10/00
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP12004573

Preparation of heteroleptic metal complexes

IPC classification:
C07F 15/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION REFUSED
EP14151427

Device for manufacturing ice cream

IPC classification:
A23G 9/08, A23G 9/12, A23G 9/22
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12840822

PYRROLO PYRROLEDIONE-THENEQUINONE COMPOUND, AND PREPARATION PROCESS AND USE THEREOF

IPC classification:
C07D 487/04, H01L 51/00, H01L 51/05, H01L 51/30
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12769363

SPIROBIFLUORENE COMPOUNDS FOR LIGHT EMITTING DEVICES

IPC classification:
C07D 265/38, C09K 11/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP12769338

LINING TUBE FOR THE RESTORATION OF FLUID-CONDUCTING LINE SYSTEMS

IPC classification:
B29C 63/00, B29C 63/34, B29C 63/36, B29K 63/00, F16L 55/165
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP12766430

SPIROBIFLUORENE COMPOUNDS FOR LIGHT EMITTING DEVICES

IPC classification:
C07C 13/72, H01L 51/00
Applicant:
Solvay SA
Applicant:
Sumitomo Chemical Company Limited
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12766066

SPIROBIFLUORENE COMPOUNDS FOR LIGHT EMITTING DEVICES

IPC classification:
C07D 265/38, C09K 11/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
PATENT GRANTED
EP12186861

Process for the manufacture of a multilayer structure

IPC classification:
H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12186566

Light emitting transition metal complexes based on hexadentate ligands

IPC classification:
C07F 15/00, C09K 11/06, H05B 33/14
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11770029

FIELD-EFFECT TRANSISTOR AND MANUFACTURING PROCESS THEREOF

IPC classification:
H01L 51/05
Applicant:
Georgia Tech Research Corporation
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11799240

PREPARATION OF A FAC-ISOMER FOR A TRIS HOMOLEPTIC METAL COMPLEX

IPC classification:
C07F 15/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP11778793

A SPIROBIFLUORENE COMPOUND FOR LIGHT EMITTING DEVICES

IPC classification:
C07C 25/22, H01L 51/00, H01L 51/50, H05B 33/20
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11763607

EXTRACELLULAR MATRICES WHICH CAN BE USED AS SCAFFOLD FOR LIVING CELLS

IPC classification:
C12N 5/00
Applicant:
University of Freiburg (Albert-Ludwigs-Universit├Ąt Freiburg)
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12194226

Matrices comprising modified polysaccharides and modified polysaccharides

IPC classification:
A61L 27/00, C08B 37/12, C08J 3/075, C08L 5/12, G01N 33/53
Applicant:
University of Freiburg (Albert-Ludwigs-Universit├Ąt Freiburg)
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP12005316

Process for forming a layer of an organic electronic device

IPC classification:
H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12196515

Process for the manufacture of a multilayer structure

IPC classification:
H01L 51/00, H01L 51/56
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP11738739

LIGHT EMITTING MATERIALS FOR ELECTRONICS

IPC classification:
C07F 15/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12726706

FUNCTIONALIZED ANTHRACENE-CAPPED OLIGOTHIOPHENES AND ORGANIC SEMICONDUCTORS BASED ON THE SAME, USE THEREOF

IPC classification:
C07D 409/04, H01L 51/00, H01L 51/05, H01L 51/30
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12004540

Heteroleptic light emitting complexes

IPC classification:
C07F 15/00, C09K 11/06, H01L 51/00, H05B 33/14
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION REFUSED
EP11785611

A METAL COMPLEX COMPRISING A LIGAND HAVING A COMBINATION OF DONOR-ACCEPTOR SUBSTITUENTS

IPC classification:
C07F 15/00, C09K 11/06
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11772881

N-CYCLOALKYLALKYL TRISCARBAZOLES

IPC classification:
C07D 209/88
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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