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Representative before the EPO

Employment test 11 - 50 employees
Company dna rott ruzicka and guttmann
operating since 1990
Headquarter in Prague and 1 office
active in Legal Services

Ivana Jirotkova has worked on the following 37 EPO patent applications which have been published in the last five years:

EP12712549

A METHOD OF MANUFACTURING 2-ETHOXY-1-((2'-((HYDROXYAMINO) IMINOMETHYL)BIPHENYL-4- YL)METHYL)-1H-BENZO [D]IMIDAZOLE-7-CARBOXYLIC ACID AND ITS ESTERS

IPC classification:
C07D 235/26
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
PATENT GRANTED
EP11009632

Novel pharmaceutically acceptable salts and cocrystals of 5-chloro-3-(4-methanesulfonylphenyl)-6'-methyl-[2,3']bipyridinyl and their therapeutic uses

IPC classification:
A61K 31/444, C07D 213/61
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12772876

METHOD FOR THE REMOVAL AND RECOVERY OF METALS AND PRECIOUS METALS FROM SUBSTRATES

IPC classification:
C22B 3/24, C22B 7/00, C22B 11/00, C23F 1/30, C23F 1/44
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP12784603

PROCESS FOR THE PRODUCTION OF N-SUBSTITUTED 2-(ACETYLAMINO)-N'-BENZYL-3-METHOXYPROPANAMIDES

IPC classification:
C07C 237/22
Applicant:
Zentiva, k.s.
Applicant:
Sanofi-Aventis Deutschland GmbH
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13002930

Agomelatine formulations comprising agomelatine in the form of co-crystals

IPC classification:
A61K 31/165, A61K 47/02, A61K 47/12
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP13002931

Pharmaceutical formulations comprising agomelatine in the form of agomelatine co-crystal with an organic acid

IPC classification:
A61K 31/165, A61K 47/12, A61P 25/20, A61P 25/22, A61P 25/24
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION IN PROGRESS
EP13002964

Drug formulation using API in nanofibers

IPC classification:
A61K 9/00, A61K 9/70, A61K 31/519
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13002963

Stabilized amorphous ticagrelor

IPC classification:
A61K 9/14, A61K 9/16, A61K 31/00
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13716178

A METHOD OF PREPARING THE SCOPINE ESTER OF DI-(2-THIENYL)GLYCOLIC ACID, AN INTERMEDIATE IN THE SYNTHESIS OF TIOTROPIUM BROMIDE, AND ITS NEW FORM

IPC classification:
C07D 451/10
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13716179

A METHOD OF PREPARING THE SCOPINE ESTER OF DI-(2-THIENYL)GLYCOLIC ACID, AN INTERMEDIATE IN THE SYNTHESIS OF TIOTROPIUM BROMIDE

IPC classification:
C07D 451/00
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13003774

Stabilised amorphous forms of Saxagliptin

IPC classification:
A61K 9/10, C07D 209/52
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
PATENT GRANTED
EP13725551

METHOD OF PREPARING POTASSIUM SALT OF AZILSARTAN MEDOXOMIL OF HIGH PURITY

IPC classification:
C07D 413/14
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13004845

An improved process for the preparation of Tenofovir disoproxil and pharmaceutically acceptable salts thereof

IPC classification:
C07F 9/6561
Applicant:
Zentiva, k.s.
Applicant:
Institute of Organic Chemistry and Biochemistry
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP13004844

Dihydrogenphosphate salt of Tenofovir disoproxil

IPC classification:
A61K 31/675, C07F 9/6561
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP12740458

NOVEL PHARMACEUTICAL SOLID FORMS OF (1S,2S,3R,5S)-3-[7-[(1R,2S)-2-(3,4DIFLUOROPHENYL)CYCLOPROPYLAMINO]-5-(PROPYLTHIO)-3H-[1,2,3]TRIAZOLO[4,5-D]PYRIMIDIN-3YL]-5-(2-HYDROXYETHOXY)CYCLOPENTANE-L,2-DIOL

IPC classification:
A61K 31/519, A61P 7/02, C07D 487/04
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION IN PROGRESS
EP14000064

Formulation of aprepitant with enhanced solubility

IPC classification:
A61K 9/14, A61K 31/5377
Applicant:
Sanofi, S.A.
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION IN PROGRESS
EP13773171

A STABLE PHARMACEUTICAL FORMULATION CONTAINING VARDENAFIL HYDROCHLORIDE

IPC classification:
A61K 9/20, A61K 31/4985
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP13779507

A METHOD OF PREPARING A HIGHLY PURE POTASSIUM SALT OF AZILSARTAN MEDOXOMIL

IPC classification:
A61K 31/4245, A61P 9/12, C07D 413/14
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP13782934

A NEW PRODUCTION METHOD AND NEW INTERMEDIATES OF SYNTHESIS OF ELVITEGRAVIR

IPC classification:
C07C 227/10, C07C 227/16, C07C 229/34, C07D 215/56
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
PATENT GRANTED
EP13782935

AN IMPROVED PRODUCTION METHOD AND NEW INTERMEDIATES OF SYNTHESIS OF ELVITEGRAVIR

IPC classification:
C07D 215/56
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION IN PROGRESS
EP12786801

STABILIZATION OF TIOTROPIUM SOLVATES

IPC classification:
A61K 31/46, A61P 11/06, C07D 451/10
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
PATENT GRANTED
EP13834323

DRY GRANULATION PROCESS FOR PRODUCING TABLET COMPOSITIONS OF METFORMIN AND COMPOSITIONS THEREOF

IPC classification:
A61K 9/20, A61K 31/155, A61K 47/02, A61K 47/38
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
PATENT GRANTED
EP14702441

A FOOD-PROCESSING EMULSION WITHOUT GLUTEN FOR FOOD COATING

IPC classification:
A21D 10/04, A23L 1/00, A23L 1/176
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP14723973

A PROCESS FOR THE SYNTHESIS OF MARAVIROC

IPC classification:
C07D 451/02
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14734378

PROCESS FOR THE MANUFACTURE OF EPOXY-MONOMERS AND EPOXIDES

IPC classification:
C07D 301/26, C07D 301/32
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP14799323

A STABLE PHARMACEUTICAL COMPOSITION CONTAINING AMLODIPINE AND VALSARTAN

IPC classification:
A61K 9/20, A61K 9/28, A61K 31/41, A61K 31/4422
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
GRANT OF PATENT INTENDED
EP11718244

METHOD OF PREPARING SITAGLIPTIN

IPC classification:
C07D 487/04
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14815215

A STABLE POLYMORPH OF THE SALT OF (2R)-4-OXO-4-[3-(TRIFIUOROMETHYL)-5,6- DIHYDRO[L,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]-L-(2,4,54RIFLUOROPHENYL)BUTAN-2-AMINE WITH L-TARTARIC ACID

IPC classification:
A61K 31/519, A61P 3/10, C07D 487/04
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15710419

A SOLID FORM OF TAPENTADOL MALEATE AND A METHOD OF ITS PREPARATION

IPC classification:
A61K 31/135, A61P 29/00, C07C 57/145, C07C 215/54
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15715961

A PROCESS FOR PRODUCING SAXAGLIPTIN

IPC classification:
C07D 209/52
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15720253

A PROCESS FOR PRODUCING ENZALUTAMIDE

IPC classification:
C07D 233/86
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP14833503

FORMULATION OF APREPITANT WITH ENHANCED SOLUBILITY

IPC classification:
A61K 9/14, A61K 31/5377
Applicant:
Sanofi, S.A.
Applicant:
Zentiva, k.s.
Applicant:
Sanofi
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15720254

USE OF A L,3J5-TRIAZIN-2-YL PHOSPHORAMIDATE COMPOUND IN THE SYNTHESIS OF SOFOSBUVIR

IPC classification:
C07F 9/6521, C07F 9/6558
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15802931

USE OF ANTI-AGING GLYCOPEPTIDES TO ENHANCE PANCREATIC CELL HEALTH, SURVIVAL AND IMPROVE TRANSPLANT OUTCOME

IPC classification:
A61K 35/39, A61K 38/14, A61L 27/38, A61P 3/10, C07K 9/00, C12N 5/071
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15745371

METHOD OF PREPARING ABIRATERONE ACETATE OF HIGH PURITY APPLICABLE ON INDUSTRIAL SCALE

IPC classification:
C07J 13/00, C07J 43/00
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15744867

METHOD OF PREPARING VORTIOXETINE

IPC classification:
A61K 31/44, A61P 25/24, C07D 211/20, C07D 211/70
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED
EP15747360

A NEW FORM OF SOFOSBUVIR AND A METHOD OF ITS PREPARATION

IPC classification:
C07H 19/10
Applicant:
Zentiva, k.s.
Agent:
Ivana Jirotkova, Rott Růžička & Guttmann
Status:
EXAMINATION REQUESTED

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