Partner/Owner

Representative before the EPO

Employment test 201 - 500 employees
Company dna hgf ltd
operating since 1995
1327.1
Headquarter in Leeds and 20 offices
active in Legal Services and IP Consulting

We have observed 13 EP applications Christopher Tammo Vaughan has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after June 24, 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:

EP11751739

PROTECTIVE MATERIAL HAVING GUARD PLATES AND SUBSTRATES WITH IMPROVED SURFACE PROPERTIES

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

SYSTEM FOR MOLECULAR PACKING CALCULATIONS

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

SIMPLIFYING RESIDUE RELATIONSHIPS IN PROTEIN DESIGN

IPC classification:
C12P 21/00, C07K 1/00, G06F 19/10
Applicant:
Zymeworks Inc
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
GRANT OF PATENT INTENDED
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APPLICATION DEEMED TO BE WITHDRAWN
EP11857830

ELASTIC HYDRAULIC ACCUMULATOR/RESERVOIR SYSTEM

IPC classification:
F15B 1/04
Applicant:
Vanderbilt University
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
EXAMINATION REQUESTED
EP13195559

Reconfigurable antenna

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

DUAL ANTENNA STRUCTURE HAVING CIRCULAR POLARISATION CHARACTERISTICS

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

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

IPC classification:
H04B 7/04, H01Q 1/22, H01Q 25/00, H01Q 7/00, H01Q 1/52, H01Q 1/48, H01Q 1/38, H01Q 1/24
Applicant:
Microsoft Technology Licensing LLC
Applicant:
Microsoft Corporation
Agent:
Rachel Alder Free, CMS Cameron McKenna Nabarro Olswang LLP
Agent:
Christopher Tammo Vaughan, HGF Limited
Agent:
Rachel Alder Free, Olswang
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
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
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:
H04L 29/06, G06F 21/57
Applicant:
Unisys Corporation
Agent:
Christopher Tammo Vaughan, HGF Limited
Status:
PATENT GRANTED
EP16195163

RJ45 CONNECTEUR HAVING RETURN LOSS IMPROVEMENT CIRCUITRY

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

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