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first set of, for passing letters patent under the Patent Law
Amendment Act

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second set..

of Attorney and Solicitor-General as to disclaimer
of Privy Council ..

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property in, will not pass to assignee of bankrupt

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law, for trial

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record may be sent to either of the superior courts of common

where issues in law and fact

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sending transcripts to court of common law

record for trial

venue in

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issue, how to be tried

jurisdiction of common law court in respect of record

trial must be in Middlesex

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means of evidence; subpoena; notice to admit; commission to

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filing record of proceedings after, in Petty Bag..
form of final judgment in Queen's Bench

. 208

. 208

staying proceedings to enable patentee to disclaim, &c.

. 209

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the language of

may use scientific terms not understood by common workmen.. 76

need not describe well-known machinery

76

may refer to general sources of information
what drawing or description is sufficient..

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77

letters patent and specification to be construed as one instrument 77
evidence of meaning of terms

78

to be construed liberally, as bargains between the inventor and
the public

construction of words used in

effect of inaccurate use of words in

THE CLAIM.

to be kept distinct from manner of performance

nothing to be claimed not covered by title

must state truly nature of invention

statement of future intentions, how construed

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must not be larger than invention

where invention new substance, what should be claimed
where invention is machinery, it should be so claimed ..
new combination of old parts

improvements and additions to old combination

if for principle, all modes of applying the principle may be
claimed

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must enable people to know limits of invention
should be clearly defined..

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not necessary that it should be so in express terms
construction of claim

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evidence not admissible to explain

MODE OF PERFORMANCE.

must teach the public to do thing claimed

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SPECIFICATION-continued.

86

if one of two inventions insufficiently specified, whole patent fails 86
description must enable workmen to produce manufacture
if untrue in material part, patent will fail
if one mode of operation unsuccessful

..

must enable people to procure substance mentioned

to construct machine fitted for all the useful purposes suggested 88
if information is sufficient in all ordinary cases, it is enough
defect not cured though workman might be able to correct it
mere inaccuracy not fatal, if the whole specification can be read

so as to support it, and intelligent person would not be misled 89
must describe invention in clearest terms the subject admits
must give the most improved state of the invention

if principle is claimed, at least one mode of carrying invention
into effect must be stated

must direct avoidance of thing known not to answer

must embrace all improvements up to time of filing
greatest precision the subject admits

directions sufficient, if the best that can be given

variable proportions of ingredients where subject does not admit
of absolute certainty

proportions of parts of machinery

should state where ingredients, if not ordinarily procurable, may
be had

93

must not cast labour of experiments on the public

must not call on person to exercise more than knowledge com-
mon to trade

94

must be intelligible to persons in the trade

not necessarily to common workmen

the question is, could mechanic construct machine from specifi-
cation alone?

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ENROLMENT OF, before January 1, 1849

after January, 1849, and before Patent Law Amendment Act..

98

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how made

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stamps on

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time for specifying

cannot be received conditionally

See Alteration, Amendment, Disclaimer.

inspection of. See Evidence

STAMP DUTIES

STATUTES,

table of

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STAYING PROCEEDINGS
in action pending scire facias
in scire facias
SUBJECT-MATTER,
unity of

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a manufacture

what is a patentable subject
new mode of working
new substance produced

abstract principle not patentable..

unless applied to practical purpose
nor mere use of known thing

nor new use of thing known before

nor mere arrangement of merchandise
change of form

except when it involves the application of a principle
principle patentable if applied to practical purposes
mode of objecting that the patent is for a principle
addition

simplification of existing machinery

mode of manufacturing article known as an imported article
See Novelty.

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law officer may require it to be amended

specification larger than title

fraud in choosing vague

..

defects in, may be cured by disclaimer

mode of pleading to raise question of sufficiency of

TITLE OF PATENTEE,

entry in register of

evidence of

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