Representative before the EPO

Employment test 501 - 1000 employees
Company dna marks and clerk llp
operating since 1887
1397.55
Headquarter in London and 20 offices
active in Legal Services, IP Consulting, and Matchmaking and Trading

We have observed 28 EP applications Martin P. Hagmann-Smith has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after September 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:

EP12753408

CHARACTERISATION OF PARTICLES

IPC classification:
G01N 27/447, G01N 15/12, G01N 15/10, G01N 15/00
Agent:
Dominic Michael Icely, IP Asset LLP
Agent:
Multiple attorneys, Marks & Clerk
Status:
GRANT OF PATENT INTENDED
EP11871382

METHOD AND APPARATUS FOR THERMOELECTRIC COOLING OF FLUIDS

IPC classification:
F25B 21/02
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
APPLICATION WITHDRAWN
EP13769995

DIGITAL EMULATION OF CASH-BASED TRANSACTIONS

IPC classification:
G06Q 20/06
Agent:
Nigel John King Price, J A Kemp
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
EXAMINATION IN PROGRESS
EP13196963

Subsea internal riser rotating control device system and method

IPC classification:
E21B 33/08
Applicant:
Weatherford Technology Holdings, LLC
Applicant:
Weatherford/Lamb Inc
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
PATENT GRANTED
EP13734481

METHOD FOR DRY-DOCKING A FLOATING UNIT

IPC classification:
B63C 1/04
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
PATENT GRANTED
EP13169033

Rotating control head radial seal protection and leak detection systems

IPC classification:
E21B 47/10, E21B 33/08
Applicant:
Weatherford/Lamb Inc
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP13801418

LED LIGHTING SYSTEM REMOTELY DISTRIBUTED POWER NETWORK

IPC classification:
H05B 37/02, H02J 1/04
Agent:
Multiple attorneys, Marks & Clerk
Status:
GRANT OF PATENT INTENDED
EP14189589

Plus-fraction corrections for heavy hydrocarbon liquids

IPC classification:
G01N 33/28, G01N 30/88, G01N 30/86
Applicant:
Weatherford Canada Partnership
Agent:
Multiple attorneys, Marks & Clerk
Status:
The patent has been granted
EP14196736

Jukebox system with central and local music servers

IPC classification:
G07F 17/30, G06F 17/30
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
EXAMINATION IN PROGRESS
EP13765614

SULFUR DEGASSER APPARATUS AND METHOD

IPC classification:
C02F 1/20
Agent:
Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner mbB
Agent:
Ellen Setréus, Sandvik Intellectual Property AB
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
GRANT OF PATENT INTENDED
EP11867446

THERMOELECTRIC COOLING SYSTEMS

IPC classification:
F25B 21/02, F28D 15/02
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
APPLICATION WITHDRAWN
EP15167690

MARINE DIVERTER SYSTEM WITH REAL TIME KICK OR LOSS DETECTION

IPC classification:
E21B 33/08, E21B 21/08, E21B 21/00
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13172554

Downhole deployment valves

IPC classification:
E21B 21/10, E21B 21/08, E21B 34/00, E21B 34/14
Applicant:
Weatherford Technology Holdings, LLC
Applicant:
Weatherford/Lamb Inc
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
PATENT GRANTED
EP15194374

DIGITAL DOWNLOADING JUKEBOX WITH ENHANCED COMMUNICATION FEATURES

IPC classification:
G06Q 30/06, G06Q 30/02, G06F 3/0484, G11B 27/10, G07F 17/30
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP15768978

DIGITAL JUKEBOX DEVICE WITH IMPROVED USER INTERFACES, AND ASSOCIATED METHODS

IPC classification:
G06F 3/048
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP16171810

MARINE DIVERTER SYSTEM WITH REAL TIME KICK OR LOSS DETECTION

IPC classification:
E21B 21/08, E21B 21/00, E21B 33/08
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
Request for examination was made
EP16183105

PUMPING SYSTEM AND METHOD

IPC classification:
E21B 43/12
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
Request for examination was made
EP16183125

PUMPING SYSTEM AND METHOD

IPC classification:
E21B 43/12
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
Request for examination was made
EP15888727

DRILLING STRIPPING ELEMENT

IPC classification:
E21B 33/08, E21B 33/068, E21B 33/06
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP15727289

ROTATING CONTROL DEVICE RADIAL SEAL PROTECTION

IPC classification:
E21B 33/08
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP15727285

MISALIGNMENT MITIGATION IN A ROTATING CONTROL DEVICE

IPC classification:
E21B 21/08, E21B 33/08
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP15806275

RISER WITH INTERNAL ROTATING FLOW CONTROL DEVICE

IPC classification:
E21B 17/01, E21B 33/038
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP16197868

SUBSEA INTERNAL RISER ROTATING CONTROL DEVICE SYSTEM AND METHOD

IPC classification:
E21B 33/08
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
APPLICATION PUBLISHED
EP16199698

WELL PUMPING SYSTEM AND METHOD

IPC classification:
E21B 43/12
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP16207391

FLUID DRILLING EQUIPMENT

IPC classification:
E21B 33/06, E21B 21/10, E21B 7/02, E21B 33/08
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
Request for examination was made
EP16199697

WELL PUMPING SYSTEM AND METHOD

IPC classification:
E21B 43/12
Applicant:
Weatherford Technology Holdings, LLC
Agent:
Multiple attorneys, Marks & Clerk
Status:
EXAMINATION REQUESTED
EP15824645

SYSTEMS AND/OR METHODS FOR AUTOMATICALLY PROTECTING AGAINST MEMORY CORRUPTION VULNERABILITIES

IPC classification:
G06F 21/56
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
Request for examination was made
EP16183640

SEMICONDUCTOR CIRCUITS, DEVICES AND METHODS

IPC classification:
G01R 19/00, G01R 17/16
Applicant:
X-FAB Semiconductor Foundries AG
Agent:
Martin P. Hagmann-Smith, Marks & Clerk
Status:
The application has been published

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