Representative before the EPO
Partner/Owner

Employment test 11 - 50 employees
Company dna blumbach zinngrebe patent und rechtsanwalte gbr
operating since 1934
Headquarter in Wiesbaden, Berlin and 1 office
active in Legal Services and IP Consulting

We have observed 4 EP applications Andreas Herden has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after April 17, 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:

EP11746435

LINING OR REFLECTOR MATERIAL FOR HIGH-TEMPERATURE APPLICATIONS

IPC classification:
C03C 17/09, C03C 17/34, C03C 17/36, F23M 5/00, F27D 1/00
Applicant:
Schott AG
Agent:
Andreas Herden, Blumbach Zinngrebe Patent-und Rechtsanwälte GbR patentConsult
Status:
The patent has been granted
EP14002833

Long range optical device, in particular binoculars

IPC classification:
G02B 7/12, G02B 23/18
Applicant:
Carl Zeiss Sports Optics GmbH
Agent:
Andreas Herden, Blumbach Zinngrebe Patent-und Rechtsanwälte GbR patentConsult
Status:
GRANT OF PATENT INTENDED
EP11730222

METHOD FOR PRODUCING PERFORATED WORKPIECES IN A STRESS-RELIEVING MANNER

IPC classification:
B26F 1/28, C03B 21/04, C03B 21/06, C03B 25/02, C03C 23/00
Applicant:
Schott AG
Agent:
Andreas Herden, Blumbach Zinngrebe Patent-und Rechtsanwälte GbR patentConsult
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP16001377

METHOD FOR THE MANUFACTURE OF A PREFERABLY NOT COLOURED GLASS-CERAMIC MATERIAL WITH A REDUCED DIFFUSED LIGHT AND A GLASS CERAMIC MATERIAL PRODUCED ACCORDING TO SAID METHOD AND ITS USE

IPC classification:
C03C 3/087, C03C 3/095, C03C 10/14
Applicant:
Schott AG
Agent:
Andreas Herden, Blumbach Zinngrebe Patent-und Rechtsanwälte GbR patentConsult
Status:
Request for examination was made

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