Representative before the EPO

Employment test 51 - 200 employees
Company dna potter clarkson llp
operating since 1889
Headquarter in Nottingham and 1 office
active in Legal Services, IP Consulting, and IP Portfolio Processing

Helen Margaret Johnstone has worked on the following 7 EPO patent applications which have been published in the last five years:

EP11787273

TANGENTIAL COMBUSTOR WITH VANELESS TURBINE FOR USE ON GAS TURBINE ENGINES

IPC classification:
F23R 3/06
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Agent:
Westphal Mussgnug & Partner
Status:
EXAMINATION REQUESTED
EP11817599

CALENDAR AND CALENDAR PRODUCTION METHODS

IPC classification:
G06Q 30/02
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12184327

COMPACT DUNNAGE CONVERSION MACHINE

IPC classification:
B31D 5/00
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11275135

Hydraulic power unit having ceramic oscillator

IPC classification:
F03B 17/00, F04B 43/04
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11834509

STEERING WHEEL INCLUDING HEATING ELEMENT

IPC classification:
B62D 1/04, B62D 1/06
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13158252

Proximity detection system

IPC classification:
F16P 3/14, G08B 23/00
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11834507

STEERING WHEEL INCLUDING HEATING ELEMENT

IPC classification:
B62D 1/04, B62D 1/06
Agent:
Helen Margaret Johnstone, Potter Clarkson LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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