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Partner/Owner
Representative before the EPO

Employment test 51 - 200 employees
Company dna meissner bolte
operating since 1908
Headquarter in Munich and 13 offices
active in Legal Services, IP Consulting, and IP-related Communication Service

Felix Letzelter has worked on the following 46 EPO patent applications which have been published in the last five years:

EP11803044

HEAT-EXCHANGE APPARATUS FOR INSERTION INTO A STORAGE TANK, AND MOUNTING COMPONENTS THEREFOR

IPC classification:
B65D 88/74, F02M 31/10, F28D 1/06, F28F 9/00
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP10779765

COMPOSITIONS COMPRISING WNT INHIBITORS FOR TREATING CANCER

IPC classification:
A61K 31/192, A61K 31/343, A61K 31/4418, A61K 31/454, A61K 45/06
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11845473

NOVEL AGENTS FOR REWORKABLE EPOXY RESINS

IPC classification:
C07C 213/06, C07C 217/08, C07C 217/46, C07D 295/02, C07D 295/023, C07D 317/08, C08F 8/32, C08F 8/34
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP11790791

METHOD OF REDUCING THE FORMALDEHYDE EMISSION OF A MINERAL FIBRE PRODUCT, AND MINERAL FIBRE PRODUCT WITH REDUCED FORMALDEHYDE EMISSION

IPC classification:
C03C 25/34, C08J 5/04, C08K 7/04, C08K 7/10, C08K 7/14
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11851018

INTEGRATED EXHAUST GAS AFTER-TREATMENT SYSTEM FOR DIESEL FUEL ENGINES

IPC classification:
F01N 3/035, F01N 3/20
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP11829668

METHOD FOR MANUFACTURING DEFORMED ARTICLES FROM PSEUDO- BETA-TITANIUM ALLOYS

IPC classification:
C22F 1/18
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP11818843

VISCOSITY REGULATING COMPOSITION

IPC classification:
C08F 24/00, C08G 18/22, C09D 133/00
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12740561

UREA-MODIFIED BINDER FOR MINERAL FIBRES

IPC classification:
C08J 5/24, C08L 77/06, C09J 103/02, D04H 1/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
PATENT GRANTED
EP13192568

Processes for the preparation of rheoloy modifiers

IPC classification:
C08G 18/22, C08G 18/28, C08G 18/48, C08G 18/72, C08G 18/73, C08G 18/79, C09D 5/00, C09D 7/00, C09D 175/08
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12178132

Aromatic oil encapsulation

IPC classification:
A01N 25/28, A61K 8/11, B01J 13/08, C09B 67/00, C11D 3/50
Applicant:
Symrise AG
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12734524

DONEPEZIL TRANSDERMAL PATCH

IPC classification:
A61K 9/70, A61K 31/445
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
PATENT GRANTED
EP12791815

AQUEOUS BINDER COMPOSITION

IPC classification:
C03C 25/26, C03C 25/32, C08K 5/151, C08K 5/1545, C08K 5/21, C09J 167/02, C09J 177/12, C09J 179/08, C09J 189/00, D04H 1/4218, D04H 1/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP13181580

Antcin derivatives in combination with an anti-cancer drug in treatment and/or prevention of tumors

IPC classification:
A61K 31/575, A61K 45/06, A61P 35/00
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12797656

CONTROLLED ABSORPTION WATER-SOLUBLE PHARMACEUTICALLY ACTIVE ORGANIC COMPOUND FORMULATION FOR ONCE-DAILY ADMINISTRATION

IPC classification:
A61K 9/16, A61K 9/50, A61K 31/192
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12868665

GRAFT COPOLYMERS WITH GRAFTED POLYMERIC ARMS, THEIR PREPARATION AND USE

IPC classification:
C08F 265/00, C08F 265/06, C08F 290/08
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13763740

DETECTION AND MODULATION OF RHEUMATOID ARTHRITIS

IPC classification:
A61K 45/00, A61P 19/02, A61P 37/06, G01N 33/564, G01N 33/573, G01N 33/68
Applicant:
University of Manitoba Technology Transfer Office
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13196726

Method for detecting curing of the binder in a mineral fibre product

IPC classification:
G01N 21/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13832620

FISHING LURE

IPC classification:
A01K 85/00
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP10705824

METHOD FOR THE GENERATION OF A CIK CELL AND NK CELL POPULATION

IPC classification:
C12N 5/0783
Applicant:
Universitätsklinikum Bonn AöR
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14168577

Artificial intelligence system for genetic analysis

IPC classification:
G06F 19/18, G06F 19/20, G06F 19/28
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP13780364

METHOD FOR SPECIFICALLY ISOLATING NUCLEIC ACIDS

IPC classification:
C12N 9/90, C12N 15/10, C12Q 1/533
Applicant:
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11780011

MODULATION OF SCLERAXIS USING A DOMINANT NEGATIVE SCLERAXIS MUTANT WITH A BASIC DNA-BINDING DOMAIN DELETION

IPC classification:
A61K 38/17, C07K 14/47, C12N 15/12
Applicant:
University of Manitoba
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14168906

Analytical binder for mineral wool products

IPC classification:
C08J 5/04, C08K 5/00, G01N 21/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP14782757

FORMULATIONS AND METHODS FOR CONTROL OF WEEDY SPECIES

IPC classification:
A01N 61/00, A01P 13/02, A01P 21/00, C12N 15/113, C12Q 1/68
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP14182162

Biobinder

IPC classification:
C08J 5/08, C08L 5/00, C08L 33/00, C09J 103/02, C13K 1/00
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
PATENT GRANTED
EP13886495

FISHING LURE

IPC classification:
A01K 85/01
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP14831313

ANNULAR CULTURE DISH

IPC classification:
C12M 1/22
Applicant:
UTI Limited Partnership
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP11829669

METHOD FOR MELTING A PSEUDO BETA-TITANIUM ALLOY COMPRISING (4.0-6.0)% AL - (4.5-6.0)% MO - (4.5-6.0)% V - ( 2.0-3.6)% CR, (0.2-0.5)% FE - (0.1-2.0)% ZR

IPC classification:
C22B 9/20, C22C 1/03, C22C 14/00, C22F 1/18
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP14200253

Improved Biobinder

IPC classification:
C03C 25/24, C03C 25/26, C03C 25/32, C08J 5/24, C09J 103/02, D04H 1/587, D04H 1/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP14845991

TEXTILE FIBRES AND TEXTILES FROM BRASSICA PLANTS

IPC classification:
D01B 1/00, D01C 1/02
Applicant:
University of Manitoba
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP11718341

UV-CURABLE ACRYLATE BASED INK, A PROCESS AND AN INK BASE FOR ITS PRODUCTION

IPC classification:
C09D 11/101, C09D 11/30, C09D 11/322
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14821092

METHOD FOR DETECTING CURING OF THE BINDER IN A MINERAL FIBRE PRODUCT

IPC classification:
G01N 21/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15765456

MOTION CAPTURE AND ANALYSIS SYSTEM FOR ASSESSING MAMMALIAN KINETICS

IPC classification:
A61B 5/00, A61B 5/103, A61B 5/11, H04N 5/33, H04N 13/02
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15768793

ANTIMICROBIAL ARTICLES PRODUCED BY ADDITIVE MANUFACTURING

IPC classification:
A61K 9/00, A61K 31/7036, A61K 38/14, A61K 47/30, A61L 27/44, A61L 27/54, A61P 31/04
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15183045

MINERAL WOOL PRODUCT

IPC classification:
C03C 25/32, D04H 1/4209, D04H 1/60, D04H 1/64, E04B 1/76
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP15183048

SOLID STATE BINDER

IPC classification:
C03C 25/24, C03C 25/32, C08H 8/00, C08L 5/00, D04H 1/4209, D04H 1/60, E04B 1/76
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP15183049

SOLID STATE BINDER

IPC classification:
C03C 25/24, C03C 25/26, C03C 25/32, C08H 8/00, C08L 5/00, D04H 1/4209, D04H 1/60, E04B 1/76
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP15183051

MINERAL WOOL PRODUCT

IPC classification:
C03C 25/32, D04H 1/4209, D04H 1/60, D04H 1/64, E04B 1/76
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP15788931

CORE MUSCLE TRAINING APPARATUS AND METHOD

IPC classification:
A63B 21/02, A63B 23/02
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15733007

MODIFIED BIOPOLYMERS AND METHODS OF PRODUCING AND USING THE SAME

IPC classification:
B27N 3/28, C08B 31/00, C08B 31/04, C08B 37/00, C08B 37/08, C08H 1/00
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15803234

METHODS AND COMPOUNDS FOR PHOTOTHERAPY WITH CHALCOGENORHODAMINE PHOTOSENSITIZERS

IPC classification:
A61K 31/095, C07D 311/82, C12N 13/00
Applicant:
The Research Foundation for the State University of New York University at Buffalo - Office Of Science Technology Transfer And Economic Outreach
Applicant:
Wake Forest University Health Sciences, Inc.
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15202578

BINDER COMPRISING A CYCLIC OXOCARBON

IPC classification:
C03C 25/24, C03C 25/32, C08G 16/00, D04H 1/4209, D04H 1/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP15202581

PEG-BINDER

IPC classification:
C03C 13/06, C03C 25/34, C09D 103/02
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
APPLICATION PUBLISHED
EP15836709

NOVEL CAS9 PROTEINS AND GUIDING FEATURES FOR DNA TARGETING AND GENOME EDITING

IPC classification:
C12N 15/10, C12N 15/113
Applicant:
North Carolina State University
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP15855364

A CONTAINER FOR RECEIVING AND STORING FLUIDS

IPC classification:
B65D 83/14
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
Request for examination was made
EP15863611

FORMULATION FOR EFFECTIVE TOCOTRIENOL DELIVERY

IPC classification:
A61K 9/107, A61K 31/355
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
Request for examination was made

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