Partner/Owner since 1985
Representative before the EPO
CEO (Chief Executive Officer)

Employment test 51 - 200 employees
Company dna dehns ltd
operating since 1920
1338.7
Headquarter in London and 4 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

We have observed 52 EP applications Roberto Calamita has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after July 12, 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:

EP11834356

NI-BASED SUPERALLOY MEMBER HAVING HEAT-RESISTANT BOND COAT LAYER FORMED THEREIN

IPC classification:
F02C 7/00, F01D 25/00, F01D 5/28, C23C 4/10, C22C 19/05, C23C 4/08
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP11839327

CELL CULTURE CHAMBER, METHOD FOR PRODUCING SAME, TISSUE MODEL USING CELL CULTURE CHAMBER, AND METHOD FOR PRODUCING SAME

IPC classification:
C12N 5/00, C12M 3/00
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP11856287

FILM WHICH IS FORMED OF HEMISPHERICAL PARTICLES, METHOD FOR PRODUCING SAME, AND USE OF SAME

IPC classification:
C07D 209/58, B82Y 30/00, B05D 7/24, B05D 1/20, B01J 19/00, B82B 1/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP12749710

TI-MO ALLOY AND METHOD FOR PRODUCING SAME

IPC classification:
C22F 1/18, C22F 1/00, C22C 27/02, C22C 14/00, B21B 3/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP11823634

ALLOY MATERIAL FOR HIGH TEMPERATURE SERVICE HAVING EXCELLENT OXIDATION RESISTANCE PROPERTIES, AND PROCESS FOR PRODUCTION THEREOF

IPC classification:
C22C 29/12, C22C 5/04, B22F 1/02, C23C 10/48
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP12814884

HIGH-TEMPERATURE SHAPE MEMORY ALLOY AND METHOD FOR PRODUCING SAME

IPC classification:
C22F 1/14, C22F 1/00, C22C 14/00, C22C 5/04
Applicant:
National Institute for Materials Science (NIMS)
Applicant:
IHI Corporation
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12824602

STABLE LIQUID COMPOSITION OF SWOLLEN SUPERABSORBENT POLYMER FOR GROUND EXCAVATION AND CONSTRUCTION METHOD USING SAME

IPC classification:
E02D 5/20, E02D 5/18, C09K 103/00, C09K 17/48, C09K 17/18, C09K 17/06, C09K 17/02
Applicant:
Waseda University
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12825038

DYE-SENSITIZED SOLAR CELL AND SENSITIZING DYE

IPC classification:
H01M 14/00, H01L 31/04, C09B 23/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12831574

REFLECTIVE DIMMING ELECTROCHROMIC ELEMENT INSERTED WITH NON-WATER BASED HYDROGEN ION CONDUCTIVE ELECTROLYTE LAYER, AND DIMMING ELEMENT USING SAID REFLECTIVE DIMMING ELECTROCHROMIC ELEMENT

IPC classification:
G02F 1/15
Applicant:
National Institute of Advanced Industrial Science and Technology
Agent:
Roberto Calamita, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12846926

HETEROCYCLIC ANALOGS OF PROPARGYL-LINKED INHIBITORS OF DIHYDROFOLATE REDUCTASE

IPC classification:
A61K 31/505, C07D 401/06, C07D 239/32, A61P 35/00
Applicant:
University of Connecticut
Agent:
Roberto Calamita, Dehns Ltd
Status:
PATENT GRANTED
EP12858178

HEAT-RESISTANT NICKEL-BASED SUPERALLOY

IPC classification:
F02C 7/00, F01D 5/28, C22F 1/10, C22F 1/00, C22C 19/07, C22C 19/05
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Wagner & Geyer
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP12854153

METHOD FOR ROLLING/DRAWING NICKEL-FREE HIGH-NITROGEN STAINLESS STEEL MATERIAL, NICKEL-FREE HIGH-NITROGEN STAINLESS STEEL SEAMLESS THIN PIPE, AND METHOD FOR PRODUCING SAME

IPC classification:
C22C 38/22, C22C 38/00, C21D 8/10, B21C 1/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12856666

NANOPARTICLE-CONTAINING POLYMER NANOWIRE AND METHOD FOR PRODUCING SAME

IPC classification:
C08L 101/00, C08K 5/00, C08K 3/00, B82Y 40/00, B82Y 30/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
PATENT GRANTED
EP13785211

UV-EXCITED RED-LIGHT EMITTING MATERIAL, AND LIGHT EMITTING DIODE

IPC classification:
H01L 33/50, C30B 29/12, C30B 15/00, C30B 11/00, C09K 11/77, C09K 11/61, C09K 11/08
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP13797477

MAGNESIUM ALLOY, MAGNESIUM ALLOY MEMBER AND METHOD FOR MANUFACTURING SAME, AND METHOD FOR USING MAGNESIUM ALLOY

IPC classification:
C22F 1/06, C22F 1/00, C22C 23/06, B21J 5/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP13778464

BIOMATERIAL COATED WITH HAp/Col COMPOSITE

IPC classification:
A61L 27/00, A61F 2/28
Applicant:
Tokyo Medical and Dental University
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13777754

DOUBLE-SIDED COATED SURFACE STRESS SENSOR

IPC classification:
H01L 29/84, G01N 29/036, G01N 29/02, G01L 1/18
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP11843581

NICKEL-FREE STAINLESS STEEL STENT

IPC classification:
C22C 38/32, C22C 38/22, A61L 29/00, C22C 38/00
Applicant:
National Institute for Materials Science (NIMS)
Applicant:
University of Tokyo
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP13848707

ULTRATHIN GRAPHENE PIECE, MANUFACTURING DEVICE FOR ULTRATHIN GRAPHENE PIECE, MANUFACTURING METHOD FOR ULTRATHIN GRAPHENE PIECE, CAPACITOR, AND MANUFACTURING METHOD FOR CAPACITOR

IPC classification:
H01G 11/32, C01B 31/02
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13869412

DAMPING ALLOY

IPC classification:
C22C 38/58, C22C 38/00, C21D 8/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13871654

TISSUE ADHESIVE AND PROCESS FOR PRODUCING SAME

IPC classification:
A61L 24/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14764880

ADHESIVE BONE FILLER AND ADHESIVE BONE FILLER KIT

IPC classification:
A61L 27/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14778602

CURRENT-PERPENDICULAR-TO-PLANE MAGNETO-RESISTANCE EFFECT ELEMENT

IPC classification:
H01L 43/10, G11B 5/39, H01L 43/08
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP11846452

OXIDE-BASED COMPOSITE MATERIAL

IPC classification:
C04B 35/64, C04B 35/80
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14814461

HOT-FORGED TI-AL-BASED ALLOY AND METHOD FOR PRODUCING SAME

IPC classification:
C22F 1/00, C22F 1/18, C22C 30/00, B21K 3/04, B21K 1/32, B21J 5/00, C22C 14/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP14823852

MARTENSITE STEEL AND METHOD FOR PRODUCING SAME

IPC classification:
C22C 38/12, C21D 8/06, C21D 8/02, C22C 38/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14834221

NI-GROUP SUPERALLOY STRENGTHENED BY OXIDE-PARTICLE DISPERSION

IPC classification:
C22C 19/05, C22C 19/03
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
The patent has been granted
EP14835450

METHOD FOR PRODUCING ELECTRODE FILM FOR ELECTRIC DOUBLE LAYER CAPACITORS

IPC classification:
H01G 11/86
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14844629

TRITIUM ADSORBENT, METHOD FOR SEPARATING TRITIUM FROM WITHIN WATER, AND METHOD FOR REGENERATING TRITIUM ADSORBENT

IPC classification:
G21F 9/12, G21F 9/06, B01J 20/34, B01D 59/26, B01J 20/06
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14847270

HIGHLY SENSITIVE MULTILAYER RESIST FILM AND METHOD FOR IMPROVING PHOTOSENSITIVITY OF RESIST FILM

IPC classification:
H01L 21/027, G03F 7/11
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP16163293

POLYETHYLENE-BASED RESIN FOAM SHEET

IPC classification:
C08L 23/08
Applicant:
JSP CORPORATION
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14866340

NANOFILTRATION OR REVERSE OSMOSIS MEMBRANE MADE OF HARD CARBON FILM, FILTERING FILTER, TWO-LAYER-BONDED-TYPE FILTERING FILTER, AND METHODS FOR MANUFACTURING SAME

IPC classification:
C01B 31/02, B01D 71/68, B01D 69/12, B01D 69/10, B01D 69/02, B01D 71/02
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14872192

METHOD FOR MANUFACTURING MgB2 SUPERCONDUCTOR, AND MgB2 SUPERCONDUCTOR

IPC classification:
H01F 6/06, H01B 12/04, C01G 1/00, C01B 35/04, H01B 13/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP15754688

LITHIUM-ION SUPERCAPACITOR USING GRAPHENE-CNT HYBRID ELECTRODE AND METHOD FOR MANUFACTURING SAID LITHIUM-ION SUPERCAPACITOR

IPC classification:
H01G 11/36
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP15792649

SILVER DIFFUSION BARRIER MATERIAL, SILVER DIFFUSION BARRIER, AND SEMICONDUCTOR DEVICE USING SAME

IPC classification:
H01L 25/18, H01L 25/07, H01L 25/065, H01L 23/532, H01L 23/522, H01L 21/768, C08L 65/00, C08K 3/08, H01L 21/3205
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP16201000

POLYETHYLENE-BASED RESIN FOAM SHEET

IPC classification:
C08L 23/08
Applicant:
JSP CORPORATION
Agent:
Roberto Calamita, Dehns Ltd
Status:
APPLICATION PUBLISHED
EP15824136

DRYNESS/WETNESS RESPONSE SENSOR HAVING HIGH-SPEED RESPONSE AND HIGH SENSITIVITY

IPC classification:
G01N 27/30, G01N 17/04, G01N 27/26
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP15829986

METHOD FOR MANUFACTURING BASE POWDER HAVING CARBON NANO-COATING LAYER, MgB2 SUPERCONDUCTOR AND METHOD FOR MANUFACTURING MgB2 SUPERCONDUCTOR IN WHICH SAID METHOD FOR MANUFACTURING BASE POWDER IS USED, LITHIUM ION BATTERY AND METHOD FOR MANUFACTURING LITHIUM ION BATTERY POSITIVE ELECTRODE MATERIAL, AND METHOD FOR MANUFACTURING PHOTOCATALYST

IPC classification:
H01M 4/58, H01M 4/525, H01M 4/505, H01M 4/48, H01M 4/36, H01B 13/00, H01B 12/04, C01B 35/04, C01B 25/45, B01J 35/02, B01J 23/50, C01B 32/05
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP17151357

ALIGNED SINGLE-WALLED CARBON NANOTUBE BULK STRUCTURE, PRODUCTION PROCESS AND USE

IPC classification:
C01B 32/17, C01B 32/159, C01B 32/162
Applicant:
National Institute of Advanced Industrial Science and Technology
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP15845061

CYCLIC PEPTIDE DERIVATIVE, METHOD FOR PREPARING SAME AND COMPOSITION THEREOF

IPC classification:
C12P 21/04, A61P 43/00, A61P 25/28, A61K 38/00, A61K 36/068, C07K 5/12
Applicant:
Osaka City University
Applicant:
Iwate University
Applicant:
Lotte Co., Ltd.
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP15849549

HIGH-TEMPERATURE OXIDATION RESISTANT RARE-METAL-FREE HARD SINTERED BODY, AND MANUFACTURING METHOD THEREFOR

IPC classification:
C22C 33/02, B23B 27/14, B22F 3/14, C22C 29/02
Applicant:
National Institute of Advanced Industrial Science and Technology
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP15880049

SENSOR HAVING POROUS MATERIAL OR PARTICULATE MATERIAL AS RECEPTOR LAYER

IPC classification:
G01N 27/12, G01N 5/02
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16740176

SURGICAL SEALANT

IPC classification:
A61L 24/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16755649

SENSOR INCLUDING RECEPTOR LAYER COATING COMPRISING MIXTURE OF BASE MATERIAL AND PARTICULATE MATERIAL

IPC classification:
G01N 27/12, G01N 5/02
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16761689

MOLECULAR WEIGHT MEASUREMENT METHOD AND MOLECULAR WEIGHT MEASUREMENT DEVICE

IPC classification:
G01N 9/00
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16768813

PRODUCTION METHOD FOR POLYETHYLENE-BASED RESIN LAMINATED FOAM SHEETS, POLYETHYLENE-BASED RESIN LAMINATED FOAM SHEET, AND INTERLEAVING PAPER FOR GLASS PLATES USING SAME

IPC classification:
C03B 40/033, B32B 27/18, B32B 5/20, B29C 47/06
Applicant:
JSP CORPORATION
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16796504

INK SUPPLY TUBE

IPC classification:
F16L 11/04, B41J 2/175
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16800079

LOW-FRICTION COATING FORMED OF BORON-ADDED ZINC OXIDE THIN FILM, AND MICROMACHINE

IPC classification:
B81B 7/02, C23C 14/08
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16807400

THERMOPLASTIC RESIN EXPANDED PARTICLES

IPC classification:
C08J 9/22, B32B 27/18, B32B 5/18, C08J 9/16
Applicant:
JSP CORPORATION
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP15895808

FOOD PROTEIN GEL MATRIX GLUTEN ANALOG

IPC classification:
A21D 2/26, A21D 8/02, A21D 13/04
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16835230

TRITIUM ABSORBER AND METHOD FOR SEPARATING TRITIUM FROM HEAVY WATER

IPC classification:
G21F 9/12, G21F 9/06, B01J 20/06, B01D 15/00, B01D 59/26
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made
EP16821131

PIEZOELECTRIC MATERIAL, METHOD FOR MANUFACTURING SAME, PIEZOELECTRIC ELEMENT AND COMBUSTION PRESSURE SENSOR

IPC classification:
H01L 41/43, H01L 41/41, H01L 41/187, H01L 41/113, C30B 33/02, C30B 15/00, C30B 29/34
Applicant:
National Institute for Materials Science (NIMS)
Agent:
Roberto Calamita, Dehns Ltd
Status:
Request for examination was made

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