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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

We have observed 48 EP applications Felix Letzelter has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after February 25, 2013). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

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APPLICATION DEEMED TO BE WITHDRAWN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
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:
State University of New York University at Buffalo - Office Of Science Technology Transfer
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
EP15817307

IMPROVED BINDER

IPC classification:
C03C 25/24, C03C 25/26, C03C 25/32, C08J 5/24, C09J 103/02, C09J 105/00, D04H 1/587, D04H 1/64
Applicant:
Rockwool International AS
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
Request for examination was made
EP15813857

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:
Request for examination was made
EP16746038

PORTABLE MAKEUP PORTFOLIO

IPC classification:
A45D 33/00, A45D 33/22, A45D 33/26
Agent:
Felix Letzelter, Meissner Bolte & Partnerschaft mbB
Status:
Request for examination was made

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