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7/30/2019 Searching for Patents En
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Searching for patents
How to use the Espacenet database
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2/29Sub-module A Searching for patents
Espacenet is ...
a database of 70 million records
containing patent data with almost worldwide coverage
a source of technical information
designed for scientists and engineers
also used by patent experts
http://worldwide.espacenet.com/
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3/29Sub-module A Searching for patents
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4/29Sub-module A Searching for patents
Keyword searches or technology class searches?
Patent applicants don't usea common language
Legal implications
Scope of protection
Hide from competitors
Hard to find the rightkeywords
Good results usuallyrequire professional patentsearch experience
Keyword searches
Each patent classified bypatent professionals
IPC is hierarchical andvery detailed: you cangradually narrow downsearches
Descriptions of classeswritten in such a way as tobe easily found andunderstood
Little experience required
BUT: IPC classes won't
match your needs 100%
Technology class searches
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5/29Sub-module A Searching for patents
Patent jargon
writing instrument = pen
a plurality of balls = ball bearing
spherical objectwith floppy filaments
to promote sure capture = toy ball
Optional
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6/29Sub-module A Searching for patents
Patent jargon in electronics
electrical power source forelectronic circuits
semiconductor switchingdevice with a control electrode
galvanically isolated electrical
coupling means
= battery
= transistor
= transformer
Optional
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7/29Sub-module A Searching for patents
Patent jargon in electronics
= current collector
photo-transmitting device = LED (light-emitting diode)
arrangement for tapping
power froman electrical cable
Optional
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8/29Sub-module A Searching for patents
Patent jargon in general technology
elongate member = pipe, riser, cable
or optical fibre
wing = door or window
Optional
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9/29Sub-module A Searching for patents
Patent jargon in general technology
energy-storing means = spring
fastening means = nail, screw or rivet, etc.
Optional
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10/29Sub-module A Searching for patents
Patent jargon in general technology
a flexible member = membrane ordiaphragm
locking means = U-shaped retainer,
etc.
Optional
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11/29Sub-module A Searching for patents
water- and oil-repellent surface
water-soluble or water-dispersible
polymer
superabsorbent
expanded styrenic (co)polymer
polyisoprene
ionomer
graft copolymer of vinyl aromatic
monomers on a butadiene rubber
aromatic polyester
Teflon
polyacrylic acid (salt) or polyvinyl
alcohol
gel of polyacrylic acid (salt)
polystyrene foam; Styrofoam
natural rubber
copolymer of ethylene and salts of
acrylic acid
ABS (the plastic of which LEGO
bricks are made)
PET (polyethylene terephthalate)
Patent jargon in chemistry
Optional
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12/29Sub-module A Searching for patents
Patent jargon in chemistry
A composition comprisingA, B and C
= a mixture of at least A, B and C, and possibly other components
Example: A composition comprising a solution of lactic acid in alcohol/water
Wine!
A composition consisting ofA, B and C
= a mixture in which only A, B and C are present
Example: A composition consisting of a solution of lactic acid in alcohol/water
Wine is now excluded, since it comprises many more products than justlactic acid, alcohol and water.
A composition consisting essentially ofA, B, and C
= a mixture of A, B and C which may include further components provided they
do not negatively affect the effect of the inventionExample: A composition consisting essentially of a solution of lactic acid
in alcohol/water
Wine might be included if the other components in wine do not prevent
the effect of the invention being obtained.
Optional
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13/29Sub-module A Searching for patents
Patent jargon in chemistry/pharmaceuticals
A composition comprising water and glycerol
"comprising" = further ingredients may also be present
"containing" = further ingredients may also be present
"consisting of" = only the ingredients listed are present
Optional
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14/29Sub-module A Searching for patents
Patent jargon in pharmaceuticals
ophthalmic solution = a solution suitable for the application to the eye
(for example, NOT a sodium hydroxide solution with a
pH of 13)
pharmaceutically = any substance that the expert working
acceptable carrier in the field (= person skilled in the art) would use for
preparing a medicament
(examples: cellulose, glycerol, starch)
device for mixing the = any apparatus or mixer which is suitable
pharmaceutical for this purpose. It need not necessarily come from
ingredients the pharmaceutical area and may be used for adifferent purpose (example: a household mixer)
Optional
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15/29Sub-module A Searching for patents
Patent jargon in pharmaceuticals
pharmaceutical composition = exception to the principle explained:
comprising X and Y for use intended use is taken into consideration
in the treatment of disease Z (instead of just a "suitable for" check)
if
- the composition has not been used in
medicine before (= first medical use) or
- at least the specific use has not been
described before (= second medical use)
Optional
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16/29Sub-module A Searching for patents
Classification search
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17/29Sub-module A Searching for patents
Wanted: air-conditioning technology for buses
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18/29Sub-module A Searching for patents
Our search results: relevant ECLA classes
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19/29Sub-module A Searching for patents
Searching for patents in the relevant classes
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20/29Sub-module A Searching for patents
Adding further criteria to your search
Only applications bycertain inventors?
Only applications publishedin a certain year?
Only EP applications
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21/29Sub-module A Searching for patents
Espacenet result list
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22/29Sub-module A Searching for patents
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23/29Sub-module A Searching for patents
View list of citing documents
Citing documents
for EP0200362
(PCR, invented by
Nobel Laureate
Kary Mullis)
Very influential!
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24/29Sub-module A Searching for patents
View or print original document
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25/29Sub-module A Searching for patents
Machine translation of description and claims
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26/29Sub-module A Searching for patents
INPADOC legal status
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27/29Sub-module A Searching for patents
Detailed information on European patent applications
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28/29Sub-module A Searching for patents
Context-sensitive help and assistance
Further assistance:
http://forums.epo.org/espacenet/helpdesk: [email protected]://www.epo.org/learning-
events/events/training/patent-information.htmlwww.epo.org/espacenet-assistant
www.epo.org/pi-tour