Representative before the EPO

Company dna ar davies and co
no operation time available
1 office
active in Legal Services

Representative before the EPO

Employment test 501 - 1000 employees
Company dna marks and clerk llp
operating since 1887
Headquarter in London and 16 offices
active in Legal Services, IP Consulting, and Matchmaking and Trading

Representative before the EPO

Company dna bailey ip consulting ltd
no operation time available
Headquarter in Cheltenham
active in Legal Services

Richard Alan Bailey has worked on the following 13 EPO patent applications which have been published in the last five years:

EP11763318

METHOD FOR MAINTAINING WELLBORE PRESSURE

IPC classification:
E21B 7/12, E21B 21/08, E21B 47/06
Applicant:
PRAD Research and Development Limited
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
Robert Ljungberg, Murgitroyd & Company
Status:
GRANT OF PATENT INTENDED
EP11758261

METHOD FOR MEASURING FRACTIONS OF HYDROCARBON FLUIDS USING OPTICAL SPECTROSCOPY

IPC classification:
G01N 21/31, G01N 33/28
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Multiple attorneys, Marks & Clerk LLP
Status:
The patent has been granted
EP11711946

SENSORS

IPC classification:
G01C 19/56, H03H 9/02
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP11730447

SYSTEM AND METHOD FOR DETERMINING THE PHASE ENVELOPE OF A GAS CONDENSATE

IPC classification:
B01L 3/00, G01N 1/22, G01N 25/12, G01N 25/66, G01N 33/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Multiple attorneys, Marks & Clerk LLP
Status:
EXAMINATION IN PROGRESS
EP11723999

ANGULAR RATE SENSOR WITH IMPROVED AGEING PROPERTIES

IPC classification:
G01C 19/56
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13161351

Led illumination method and apparatus

IPC classification:
H05B 33/08
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12290060

Screen apparatus and method

IPC classification:
E21B 43/04, E21B 43/10
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13844615

FLOW RESTRICTOR FOR A SERVICE TOOL

IPC classification:
E21B 33/12, E21B 34/06, E21B 43/04
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Multiple attorneys, Marks & Clerk LLP
Agent:
Boxi Li, Schlumberger Cambridge Research Ltd
Status:
EXAMINATION IN PROGRESS
EP11724278

ANGULAR VELOCITY SENSOR WITH QUADRATURE REJECTION

IPC classification:
G01C 19/56
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP11746302

ELECTROMAGNETIC BRAKE OR CLUTCH AND METHOD OF OPERATION

IPC classification:
F16D 27/00, F16D 27/112
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
David Herbert Leckey, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11769896

ANGULAR VELOCITY SENSOR

IPC classification:
G01C 19/5684
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11727290

SYSTEM AND METHOD FOR DETERMINING THE ASPHALTENE CONTENT OF CRUDE OIL

IPC classification:
B01L 3/00, G01N 21/33, G01N 21/35, G01N 21/84, G01N 21/85, G01N 33/28
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Multiple attorneys, Marks & Clerk LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11724717

ACTUATOR FOR USE IN A ROTOR BLADE

IPC classification:
B64C 27/615, B64C 27/72
Agent:
Richard Alan Bailey, Marks & Clerk LLP
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED

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