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Partner/Owner

Representative before the EPO

Employment test 51 - 200 employees
Company dna maiwald patentanwalts gmbh
operating since 1995
Headquarter in Munich and 4 offices
active in Legal Services and IP Consulting

We have observed 67 EP applications Derk Vos has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after December 08, 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:

EP12735333

TRPV1 ANTAGONISTS INCLUDING DIHYDROXY SUBSTITUENT AND USES THEREOF

IPC classification:
A61K 31/428, C07D 417/14, C07D 417/12, A61P 29/00, A61P 25/04, A61P 25/02, A61P 19/02, A61P 13/00, A61P 1/04
Applicant:
Shionogi & Co. Limited (Shionogi Seiyaku Kabushiki-gaisha)
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP12770217

PYRIMIDINES AS SODIUM CHANNEL BLOCKERS

IPC classification:
A61K 31/4418, C07D 405/14, C07D 405/12, C07D 403/12, C07D 403/04, C07D 401/14, C07D 401/12, C07D 233/90, A61P 25/08
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
The patent has been granted
EP13158655

Process for the enantioselective preparation of 3-hydroxyglutaric acid monoesters and their use

IPC classification:
C12P 41/00, C12P 7/42, C12N 9/48, C12N 9/18
Applicant:
Universit├Ąt Bielefeld
Applicant:
Sandoz AG
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12813964

AZETIDINE-SUBSTITUTED QUINOXALINE-TYPE PIPERIDINE COMPOUNDS AND USES THEREOF

IPC classification:
A61K 31/498, C07D 401/14, A61P 25/04
Applicant:
Purdue Pharma L.P.
Applicant:
Shionogi & Co. Limited (Shionogi Seiyaku Kabushiki-gaisha)
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13175266

Composition and use thereof for the treatment of benign and malign diseases

IPC classification:
A61K 36/71, A61K 36/07, A61P 35/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13175264

Composition and use thereof for the treatment of tumor indications

IPC classification:
A61K 36/88, A61K 36/71, A61K 36/38, A61K 35/74, A61P 35/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13184176

Tetrahydropyridinyl and dihydropyrrolyl compounds and the use thereof

IPC classification:
A61P 25/04, A61P 25/28, A61K 31/44, C07D 451/02, C07D 413/04, C07D 401/14, C07D 409/14, C07D 413/14, C07D 401/04
Applicant:
Shionogi & Co. Limited (Shionogi Seiyaku Kabushiki-gaisha)
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13193016

Buprenorphine analogs

IPC classification:
A61K 31/439, C07D 489/12, A61P 29/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13796714

CONTROL FOR BIOPSY DEVICE

IPC classification:
A61B 17/34, A61B 17/32, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
The patent has been granted
EP13727342

BENZOMORPHAN COMPOUNDS AS OPIOID RECEPTORS MODULATORS

IPC classification:
A61K 31/439, C07D 221/26, A61P 29/00, A61P 1/10
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
The patent has been granted
EP13765756

CYCLIC UREA- OR LACTAM-SUBSTITUTED QUINOXALINE-TYPE PIPERIDINE COMPOUNDS AND THE USES THEREOF

IPC classification:
A61K 31/498, C07D 498/08, C07D 471/08, A61P 25/00, A61P 3/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13829805

BIOPSY SYSTEM

IPC classification:
A61B 19/00, A61B 17/34, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
EXAMINATION IN PROGRESS
EP13779344

1,3-DIOXANOMORPHIDES AND 1,3-DIOXANOCODIDES

IPC classification:
A61K 31/485, C07D 489/12, A61P 25/04
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP13820881

PYRIDONEMORPHINAN ANALOGS AND BIOLOGICAL ACTIVITY ON OPIOID RECEPTORS

IPC classification:
A61K 31/437, C07D 471/18, A61P 29/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP13823986

SPIROCYCLIC MORPHINANS AND THEIR USE

IPC classification:
A61K 31/437, C07D 471/20, A61P 29/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP13821145

BUPRENORPHINE ANALOGS AS OPIOD RECEPTOR MODULATORS

IPC classification:
A61K 31/485, C07D 489/12
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13820885

CYCLIC SULFONAMIDES AS SODIUM CHANNEL BLOCKERS

IPC classification:
A61K 31/542, A61K 31/501, A61K 31/438, A61K 31/429, C07D 491/10, C07D 417/14, C07D 417/04, A61P 25/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13823991

7,8-CYCLICMORPHINAN ANALOGS

IPC classification:
A61K 31/438, C07D 471/08, A61P 29/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
The patent has been granted
EP13823996

SUBSTITUTED MORPHINANS AND THE USE THEREOF

IPC classification:
A61K 31/438, C07D 471/08, A61P 29/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14765605

PROCESS FOR REMOVING SULPHUR COMPOUNDS FROM HYDROCARBONS

IPC classification:
C10G 27/00, C10G 67/12
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP14770743

CRYSTALLINE FORMS OF TYROSINE KINASE INHIBITORS AND THEIR SALTS

IPC classification:
A61P 17/00, A61P 35/00, A61K 31/4965, C07D 241/04
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP12704272

METHOD FOR EXTRACTING CRUDE OIL FROM CRUDE OIL RESERVOIRS WITH A HIGH RESERVOIR TEMPERATURE

IPC classification:
C09K 8/588
Applicant:
Wintershall Holding GmbH
Agent:
Thorsten Dierkes, BASF SE
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP14825919

BIOPSY DEVICE TARGETING FEATURES

IPC classification:
A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
GRANT OF PATENT INTENDED
EP14839960

TISSUE COLLECTION ASSEMBLY FOR BIOPSY DEVICE

IPC classification:
A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
GRANT OF PATENT INTENDED
EP16155469

TETHERLESS BIOPSY DEVICE WITH REUSABLE PORTION

IPC classification:
A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
EXAMINATION REQUESTED
EP15154971

COMPOSITIONS COMPRISING HYALURONIC ACID AND BETA-GLUCAN FOR TOPICAL APPLICATIONS IN ORAL CAVITY

IPC classification:
A61K 31/723, A61K 8/04, A61K 9/06, A61K 31/728, A61K 31/719, A61K 31/716, A61K 8/73, A61Q 11/00, A61K 9/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP14874289

NOVEL ANTI-AGGLOMERANTS FOR POLYISOBUTYLENE PRODUCTION

IPC classification:
C08K 5/098, C08J 3/20, C08J 3/03, C08L 23/22
Applicant:
BASF South East Asia Pte. Ltd.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15748728

ISOQUINOLINE DERIVATIVES AND USE THEREOF

IPC classification:
A61P 25/00, A61P 29/00, A61K 31/4725, C07D 403/04, C07D 401/14, C07D 401/04
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15785762

INTRODUCER FOR BIOPSY DEVICE

IPC classification:
A61B 17/34, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Christopher Stephen Tunstall, Carpmaels & Ransford LLP
Status:
EXAMINATION REQUESTED
EP15789868

BENZOMORPHAN ANALOGS AND USE THEREOF

IPC classification:
A61P 29/00, A61K 31/485, A61K 31/439
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15791892

BIOPSY DEVICE

IPC classification:
A61B 10/02, A61B 10/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
EXAMINATION REQUESTED
EP15799729

SPIROCYCLIC MORPHINANS AND USE THEREOF

IPC classification:
C07D 471/20, A61K 31/4166
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15807396

AZAMOPHINAN DERIVATIVES AND USE THEREOF

IPC classification:
C07D 471/08
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15744360

REDUCTION OF ALPHA, BETA-UNSATURATED KETONE LEVELS IN MORPHINAN DERIVATIVE COMPOSITIONS

IPC classification:
A61P 29/00, A61P 25/00, A61K 31/485, C07D 489/08
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP17151827

TRPV1 ANTAGONISTS INCLUDING DIHYDROXY SUBSTITUENT AND USES THEREOF

IPC classification:
A61K 31/496, A61K 31/428, A61P 19/02, A61P 25/04, A61P 25/02, A61P 13/00, A61P 1/04, A61P 29/00, C07D 417/14, C07D 417/12
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15837467

INTEGRATED CONSOLE ENVIRONMENT FOR DIAGNOSTIC INSTRUMENTS METHODS AND APPARATUS

IPC classification:
G06F 19/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15841380

CRYSTALLINE FORMS OF TYROSINE KINASE INHIBITORS AND THEIR SALTS

IPC classification:
C07D 261/20, A61K 45/06, A61K 31/496
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15843791

MRI BIOPSY SYSTEM

IPC classification:
A61B 5/055, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP15787352

BIOPSY MARKER

IPC classification:
A61B 17/00, A61B 10/02, A61B 90/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP14796608

SYSTEMS AND METHODS FOR IMAGING FLUID SAMPLES

IPC classification:
G01N 15/00, G01N 15/14
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15854489

DETECTION AND TREATMENT OF EXCESSIVE HAIR SHEDDING

IPC classification:
A61Q 7/00, A61K 31/56, A61K 31/506
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15794802

SPRING-EJECTED BIOPSY MARKER

IPC classification:
A61B 17/00, A61B 10/00, A61B 90/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP15863319

GRAPHICAL USER INTERFACE FOR BIOPSY DEVICE

IPC classification:
A61B 5/00, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP15866208

6.7-CYCLICMORPHINAN DERIVATIVES AND USE THEREOF

IPC classification:
A61K 31/438, C07D 471/08
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP17173513

BIOPSY DEVICE WITH MANIFOLD ALIGNMENT FEATURE AND TISSUE SENSOR

IPC classification:
A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP16749686

ULTRASONIC GRAIN REFINING

IPC classification:
C22B 9/22, B22D 11/22, B22D 11/04
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP17179618

BIOPSY CANNULA ADJUSTABLE DEPTH STOP

IPC classification:
A61B 90/00, A61B 17/34, A61B 17/00, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
The application has been published
EP16711864

LUBRICANTS LEADING TO BETTER EQUIPMENT CLEANLINESS

IPC classification:
C10M 129/74, C10M 129/72, C10M 129/68
Applicant:
BASF SE
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16776575

RESIN COMPOSITION AND USE OF SAME

IPC classification:
C08K 3/22, C08L 53/02
Applicant:
Zeon Corporation
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16709607

ACETATE SALT OF BUPRENORPHINE AND METHODS FOR PREPARING BUPRENORPHINE

IPC classification:
A61P 25/04, A61K 31/485, C07D 489/12
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16800139

CIRCULARLY POLARIZED LIGHT SEPARATING FILM AND METHOD FOR PRODUCING SAME

IPC classification:
G02B 5/30
Applicant:
Zeon Corporation
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16734498

MRI BIOPSY SYSTEM

IPC classification:
A61B 17/34, A61B 90/11, A61B 90/00, A61B 10/00, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP16813400

COMPOSITION FOR THE PREVENTION OF MICROBIAL GROWTH

IPC classification:
A61K 8/19, A61K 8/22, A61Q 11/00, A61P 31/10, A61P 31/04, A61P 31/02, A61K 33/40, A61K 33/38, A61K 33/24
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16814508

METHOD OF PRODUCTION OF CONJUGATED DIENE RUBBER

IPC classification:
B60C 1/00, C08L 15/00, C08K 3/36, C08F 297/02, C08C 19/25, C08G 81/02
Applicant:
Zeon Corporation
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16821563

COMPOSITION FOR IMPROVING PHOTO SCANNING, AND METHOD FOR IMPROVING PHOTO SCANNING OF PRODUCT

IPC classification:
A61C 19/04, A61C 9/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16821892

HBED-BISPHOSPHONATES, RADIOMETAL CONJUGATES THEREOF AND THEIR USE AS THERANOSTIC AGENTS

IPC classification:
C07D 257/02, C07D 295/145, C07B 59/00, A61P 35/00, A61K 51/04
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16824078

BINDER COMPOSITION FOR SECONDARY BATTERY ELECTRODES, CONDUCTIVE MATERIAL PASTE COMPOSITION FOR SECONDARY BATTERY ELECTRODES, SLURRY COMPOSITION FOR SECONDARY BATTERY ELECTRODES, ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

IPC classification:
H01M 4/13, C08L 101/00, C08L 9/02, C08K 3/04, H01M 4/62
Applicant:
Zeon Corporation
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP17192768

BIOPSY DEVICE

IPC classification:
A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
The application has been published
EP16833107

METHOD FOR PRODUCING AMMONIA COMBUSTION CATALYST AND METHOD FOR UTILIZING HEAT GENERATED BY AMMONIA CATALYST COMBUSTION

IPC classification:
C01B 3/04, B01J 32/00, B01J 23/72
Applicant:
Kumamoto University
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16747531

NANOSUSPENSION CONTAINING PARTICLES AND EXTRACT OF NATURAL MATERIALS

IPC classification:
A61K 31/12, A61K 9/107, A61K 47/24, A61K 36/9066, A61K 9/51, A61K 9/14, A61K 9/10
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16839315

RESIN COMPOSITION AND RESIN MOLDED BODY

IPC classification:
C08L 45/00, C08K 5/103, C08L 65/00
Applicant:
Zeon Corporation
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16760069

USE OF HYDROPHOBICALLY ASSOCIATING COPOLYMERS AS BINDERS FOR PELLETIZING METAL CONTAINING ORES

IPC classification:
C22B 1/244, C22B 1/00
Applicant:
BASF SE
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16766153

MULTI-FACETED NEEDLE TIP

IPC classification:
A61B 17/34, A61B 10/02
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Carpmaels & Ransford LLP
Status:
Request for examination was made
EP16782151

BREAST SUPPORT COMPRESSION PILLOW

IPC classification:
A61B 17/34, A61B 10/02, A61B 90/17
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Christopher Stephen Tunstall, Carpmaels & Ransford LLP
Status:
Request for examination was made
EP16794138

SURGICAL PROBE APPARATUS AND SYSTEM AND METHOD OF USE THEREOF

IPC classification:
A61B 17/00, G01T 1/202, G01T 1/161, A61B 6/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16798353

MARKER DELIVERY DEVICE AND METHOD OF DEPLOYING A MARKER

IPC classification:
A61B 5/06, A61B 90/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16866267

OPTICAL FILM AND POLARIZING PLATE

IPC classification:
G02F 1/1335, C08J 5/18, C08F 297/04, G02B 5/30
Applicant:
Zeon Corporation
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made

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