Representative before the EPO

Employment test 51 - 200 employees
Company dna hgf ltd
operating since 1995
1179.38
Headquarter in Leeds and 13 offices
active in Legal Services and IP Consulting

We have observed 30 EP applications Christopher Tammo Vaughan has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 17, 2012). 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:

EP11714463

MULTILAYER CMAS-RESISTANT BARRIER COATING

IPC classification:
C04B 41/89, C09D 1/00, C09D 5/18, F01D 5/28
Applicant:
Rolls-Royce Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION IN PROGRESS
EP11774537

SYSTEM AND METHOD FOR DISPLAYING PORTIONS OF IN-VIVO IMAGES

IPC classification:
G06K 9/36
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION IN PROGRESS
EP11738657

A SOLID OXIDE FUEL CELL SYSTEM

IPC classification:
H01M 8/04, H01M 8/12
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
The patent has been granted
EP10853818

METHOD AND APPARATUS FOR ELEVATING A MARINE PLATFORM

IPC classification:
B63B 35/44, E02B 17/02, E02B 17/04, E02B 17/08
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
The patent has been granted
EP11738562

ENCODING A SCHEMA VERSION IN TABLE NAMES

IPC classification:
G06F 9/445, G06F 17/30
Applicant:
Google LLC
Agent:
Steffen J. Schmidt, Wuesthoff & Wuesthoff Patentanwälte PartG mbB
Agent:
Maikowski & Ninnemann
Status:
EXAMINATION REQUESTED
EP11751739

PROTECTIVE MATERIAL HAVING GUARD PLATES AND SUBSTRATES WITH IMPROVED SURFACE PROPERTIES

IPC classification:
B32B 3/14, B32B 3/16, D06N 3/18, D06N 7/00
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION IN PROGRESS
EP11826255

SYSTEM FOR MOLECULAR PACKING CALCULATIONS

IPC classification:
G01N 33/68, G06F 19/10, G06F 19/12
Applicant:
Zymeworks Inc
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
GRANT OF PATENT INTENDED
EP11827860

SIMPLIFYING RESIDUE RELATIONSHIPS IN PROTEIN DESIGN

IPC classification:
C07K 1/00, C12P 21/00, G06F 19/10
Applicant:
Zymeworks Inc
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
GRANT OF PATENT INTENDED
EP12172415

Method and system for automated system migration

IPC classification:
G06F 11/36
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION IN PROGRESS
EP11773609

METHOD AND SYSTEMS FOR IMPLEMENTING A SECURE BOOT DEVICE USING CRYPTOGRAPHICALLY SECURE COMMUNICATIONS ACROSS UNSECURED NETWORKS

IPC classification:
G06F 21/00, H04L 29/06
Applicant:
Unisys Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12181591

Downhole swivel apparatus and method

IPC classification:
E21B 17/05, E21B 21/00, E21B 33/06, E21B 33/08
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION REQUESTED
EP12192362

A decision support system for moving computing workloads to public clouds

IPC classification:
G06F 9/50
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11857830

ELASTIC HYDRAULIC ACCUMULATOR/RESERVOIR SYSTEM

IPC classification:
F15B 1/04
Applicant:
Vanderbilt University
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION REQUESTED
EP11804326

CRYO-THERAPY SPRAY DEVICE

IPC classification:
A61B 1/12, A61B 18/02
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION REQUESTED
EP10852316

SYSTEM AND METHOD FOR CONTINUATION OF A WEB SESSION

IPC classification:
G06F 15/00, G06F 21/20
Applicant:
Unisys Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13195559

Reconfigurable antenna

IPC classification:
H01Q 1/24, H01Q 5/00, H01Q 9/40, H01Q 9/42
Applicant:
University of Birmingham
Agent:
David Ian Ward, Marks & Clerk LLP
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION IN PROGRESS
EP12700437

DUAL ANTENNA STRUCTURE HAVING CIRCULAR POLARISATION CHARACTERISTICS

IPC classification:
H01Q 1/38, H01Q 9/42, H01Q 21/24
Applicant:
Microsoft Corporation
Applicant:
Microsoft Technology Licensing LLC
Agent:
Rachel Alder Free, Olswang LLP
Agent:
Rachel Alder Free, CMS Cameron McKenna Nabarro Olswang LLP
Status:
EXAMINATION REQUESTED
EP11770855

LTE ANTENNA PAIR FOR MIMO/DIVERSITY OPERATION IN THE LTE/GSM BANDS

IPC classification:
H01Q 1/22, H01Q 1/24, H01Q 1/38, H01Q 1/48, H01Q 1/52, H01Q 7/00, H01Q 25/00, H04B 7/04
Applicant:
Microsoft Corporation
Applicant:
Microsoft Technology Licensing LLC
Agent:
Rachel Alder Free, Olswang LLP
Agent:
Christopher Tammo Vaughan, HGF Limited
Agent:
Rachel Alder Free, CMS Cameron McKenna Nabarro Olswang LLP
Status:
The patent has been granted
EP11826245

SYSTEMS AND METHODS FOR NORMALIZING INPUT MEDIA

IPC classification:
G06F 17/27, G10L 13/08
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11710929

PORTABLE CONTROLLER AND POWER SOURCE FOR MECHANICAL CIRCULATION SUPPORT SYSTEMS

IPC classification:
A61M 1/12, H05K 5/00
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11710931

PORTABLE CONTROLLER WITH INTEGRAL POWER SOURCE FOR MECHANICAL CIRCULATION SUPPORT SYSTEMS

IPC classification:
A61M 1/10
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11842069

IN-VIVO IMAGING DEVICE AND METHOD FOR PERFORMING SPECTRAL ANALYSIS

IPC classification:
A61B 1/00
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
PATENT GRANTED
EP11709550

PORTABLE CONTROLLER WITH INTEGRAL POWER SOURCE FOR MECHANICAL CIRCULATION SUPPORT SYSTEMS

IPC classification:
A61M 1/10
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12192420

Automatic Gain Control in a multi-talker audio system

IPC classification:
G06F 3/16, G10L 17/00, G10L 21/02
Applicant:
Google LLC
Agent:
Steffen J. Schmidt, Wuesthoff & Wuesthoff Patentanwälte PartG mbB
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13160331

Bioresorbable embolization microspheres

IPC classification:
A61L 24/00, A61L 24/08
Applicant:
Regents of the University of Minnesota
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11776273

METHODS AND SYSTEMS FOR PROVIDING AND CONTROLLING CRYPTOGRAPHICALLY SECURE COMMUNICATIONS ACROSS UNSECURED NETWORKS BETWEEN A SECURE VIRTUAL TERMINAL AND A REMOTE SYSTEM

IPC classification:
G06F 21/57, H04L 29/06
Applicant:
Unisys Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
PATENT GRANTED
EP11718860

DURABLE ENVIRONMENTAL BARRIER COATINGS FOR CERAMIC SUBSTRATES

IPC classification:
C04B 41/89, C23C 4/10, F01D 5/28
Applicant:
Rolls-Royce Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
APPLICATION WITHDRAWN
EP11739246

THERMAL BARRIER COATINGS INCLUDING C MAS-RESISTANT THERMAL BARRIER COATING LAYERS

IPC classification:
C09D 1/00
Applicant:
Rolls-Royce Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12186598

Systems, methods, and computer programs for dynamic binary translation in an interpreter

IPC classification:
G06F 9/45, G06F 9/455
Applicant:
Unisys Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP16195163

RJ45 CONNECTEUR HAVING RETURN LOSS IMPROVEMENT CIRCUITRY

IPC classification:
H01R 13/6466, H01R 13/6469, H01R 24/64, H05K 1/02, H05K 1/14, H05K 1/16
Applicant:
CommScope Inc of North Carolina
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
Request for examination was made

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