Contact

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

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

EP11811125

PHOSPHORUS-SUBSTITUTED QUINOXALINE-TYPE PIPERIDINE COMPOUNDS AND USES THEREOF

IPC classification:
A61K 31/498, A61P 3/02, A61P 23/00, A61P 25/00, A61P 25/16, A61P 25/24, C07D 401/04, C07D 401/14
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP12735333

TRPV1 ANTAGONISTS INCLUDING DIHYDROXY SUBSTITUENT AND USES THEREOF

IPC classification:
A61K 31/428, A61P 1/04, A61P 13/00, A61P 19/02, A61P 25/02, A61P 25/04, A61P 29/00, C07D 417/12, C07D 417/14
Applicant:
Purdue Pharma L.P.
Applicant:
Shionogi & Co. Limited (Shionogi Seiyaku Kabushiki-gaisha)
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP12198206

Proline analogs as ligands for cannabinoid receptors for the treatment of pain

IPC classification:
A61K 31/381, A61K 31/401, A61K 31/4025, A61P 25/04, C07D 207/48, C07D 409/12, C07D 409/14
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12770217

PYRIMIDINES AS SODIUM CHANNEL BLOCKERS

IPC classification:
A61K 31/4418, A61P 25/08, C07D 233/90, C07D 401/12, C07D 401/14, C07D 403/04, C07D 403/12, C07D 405/12, C07D 405/14
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
GRANT OF PATENT INTENDED
EP13164841

Benzomorphan compounds

IPC classification:
A61K 31/14, A61K 31/439, A61P 1/10, C07D 471/08
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13158655

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

IPC classification:
C12N 9/18, C12N 9/48, C12P 7/42, C12P 41/00
Applicant:
Sandoz AG
Applicant:
Universit├Ąt Bielefeld
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11755436

PYRIDINE COMPOUNDS AS SODIUM CHANNEL BLOCKERS

IPC classification:
A61K 31/4412, A61K 31/443, A61K 31/4439, A61K 31/444, A61P 25/00, C07D 213/81, C07D 401/12, C07D 413/12
Applicant:
Purdue Pharma L.P.
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APPLICATION DEEMED TO BE WITHDRAWN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, A61P 25/04, C07D 401/14
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 36/07, A61K 36/71, 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 35/74, A61K 36/38, A61K 36/71, A61K 36/88, A61P 35/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12184703

Substituted-quinoxaline-type bridged-piperidine compounds and the uses thereof

IPC classification:
A61K 31/498, A61P 25/04, C07D 403/04
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13184176

Tetrahydropyridinyl and dihydropyrrolyl compounds and the use thereof

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

Buprenorphine analogs

IPC classification:
A61K 31/439, A61P 29/00, C07D 489/12
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13727342

BENZOMORPHAN COMPOUNDS AS OPIOID RECEPTORS MODULATORS

IPC classification:
A61K 31/439, A61P 1/10, A61P 29/00, C07D 221/26
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
GRANT OF PATENT INTENDED
EP13765756

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

IPC classification:
A61K 31/498, A61P 3/00, A61P 25/00, C07D 471/08, C07D 498/08
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13779344

1,3-DIOXANOMORPHIDES AND 1,3-DIOXANOCODIDES

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

PYRIDONEMORPHINAN ANALOGS AND BIOLOGICAL ACTIVITY ON OPIOID RECEPTORS

IPC classification:
A61K 31/437, A61P 29/00, C07D 471/18
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, A61P 29/00, C07D 471/20
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 31/429, A61K 31/438, A61K 31/501, A61K 31/542, A61P 25/00, C07D 417/04, C07D 417/14, C07D 491/10
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, A61P 29/00, C07D 471/08
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, A61P 29/00, C07D 471/08
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP11776855

BUPRENORPHINE ANALOGS AS OPIOID RECEPTOR AGONISTS AND/OR ANTAGONISTS

IPC classification:
A61K 31/485, A61P 25/04, C07D 489/12
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
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:
A61K 31/4965, A61P 17/00, A61P 35/00, 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:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Thorsten Dierkes, BASF SE
Status:
PATENT GRANTED
EP11776930

RADICALLY POLYMERIZABLE PHENOTHIAZINE MACROMONOMER FOR USE IN THE COATING OF MEDICAL DEVICES

IPC classification:
A61L 31/10, C07D 279/18
Applicant:
Ascensia Diabetes Care Holdings AG
Applicant:
Bayer Healthcare LLC
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Agent:
Gille Habral
Status:
GRANT OF PATENT INTENDED
EP15154971

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

IPC classification:
A61K 8/04, A61K 8/73, A61K 9/00, A61K 9/06, A61K 31/716, A61K 31/719, A61K 31/723, A61K 31/728, A61Q 11/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP13155157

TRPV1 antagonists and uses thereof

IPC classification:
A61K 31/4545, A61P 23/00, C07D 401/04, C07D 401/14, C07D 417/12, C07D 417/14
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11811127

LOW-TEMPERATURE SYNTHESIS OF METHYLPHENIDATE HYDROCHLORIDE

IPC classification:
C07D 211/34
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11739336

BENZIMIDAZOLE DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS AND USES THEREOF

IPC classification:
A61K 31/4439, A61P 1/04, C07D 487/04, C07D 491/048, C07D 491/052, C07D 491/056
Applicant:
Xuanzhu Pharma Co LTDA
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP12198526

TRPV1 antagonists and uses thereof

IPC classification:
A61K 31/4545, A61P 23/00, C07D 213/61, C07D 213/74, C07D 401/04, C07D 401/14, C07D 417/12, C07D 417/14
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
EP11784766

QUINAZOLINE COMPOUNDS AS SODIUM CHANNEL BLOCKERS

IPC classification:
A61K 31/517, A61P 9/06, A61P 25/02, A61P 25/06, A61P 25/08, A61P 25/14, A61P 25/24, A61P 25/28, C07D 239/74, C07D 239/84, C07D 401/04, C07D 401/12, C07D 403/12, C07D 471/08
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11813366

SUBSTITUTED PYRIDINES AS SODIUM CHANNEL BLOCKERS

IPC classification:
A61K 31/44, A61K 31/4439, A61P 25/00, C07D 213/75, C07D 401/02, C07D 401/12, C07D 401/14
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14874289

NOVEL ANTI-AGGLOMERANTS FOR POLYISOBUTYLENE PRODUCTION

IPC classification:
C08J 3/03, C08J 3/20, C08K 5/098, 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:
A61K 31/4725, A61P 25/00, A61P 29/00, C07D 401/04, C07D 401/14, C07D 403/04
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15789868

BENZOMORPHAN ANALOGS AND USE THEREOF

IPC classification:
A61K 31/439, A61K 31/485, A61P 29/00
Applicant:
Purdue Pharma L.P.
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15799729

SPIROCYCLIC MORPHINANS AND USE THEREOF

IPC classification:
A61K 31/4166, C07D 471/20
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:
A61K 31/485, A61P 25/00, A61P 29/00, C07D 489/08
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP17151827

TRPV1 ANTAGONISTS INCLUDING DIHYDROXY SUBSTITUENT AND USES THEREOF

IPC classification:
A61K 31/428, A61K 31/496, A61P 1/04, A61P 13/00, A61P 19/02, A61P 25/02, A61P 25/04, A61P 29/00, C07D 417/12, C07D 417/14
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:
A61K 31/496, A61K 45/06, C07D 261/20
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
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:
A61K 31/506, A61K 31/56, A61Q 7/00
Agent:
Derk Vos, Maiwald Patentanwalts GmbH
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

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