Representative before the EPO

Company dna patent attorney dr helwig
no operation time available
1 office
active in Legal Services

Representative before the EPO

Company dna thielking and elbertzhagen
no operation time available
1 office
active in Legal Services

Hans-Martin Helwig has worked on the following 3 EPO patent applications which have been published in the last five years:

EP10778833

SEALING COLLAR

IPC classification:
F16L 5/10
Agent:
Multiple attorneys, Eikel & Partner GbR
Agent:
Hans-Martin Helwig, Patent Attorney Dr. Helwig
Status:
EXAMINATION IN PROGRESS
EP13730794

CONSTRUCTION PANEL

IPC classification:
B32B 3/12, B32B 5/02, B32B 7/00
Agent:
Ralf Holland, Eikel & Partner GbR
Agent:
Hans-Martin Helwig, Patent Attorney Dr. Helwig
Status:
EXAMINATION IN PROGRESS
EP16001419

SEAL ELEMENT

IPC classification:
A47K 3/00, E04B 1/66
Agent:
Andreas Rieke, Eikel & Partner GbR
Agent:
Hans-Martin Helwig, Patent Attorney Dr. Helwig
Status:
Request for examination was made

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