PATENTEE-continued.

not necessarily meritoriously connected with the invention, 110.
evil of, dictating his own terms, 50.

reasons for, requiring protection, 53.
connexion of, with capitalist, 53.
minor, 102.

PATENTS, principle of, 20.

most economical mode of rewarding inventive merit, 21.
relation to copyright, 42.

powers of joint-stock companies, 43.

number of, from 1675 to 1853..51.

assailable points in, 80.

PRACTICE-continued.

evidence of profit and loss, 224.

opposition, costs of, 225.

conditions attached to the renewal of the grant, 221, 227.

PRINCIPLE, no Patent for, 70, 111.

not appropriable, 77.

of the invention in determining infringement, 257.

PRIVILEGE, the Patent is a monopoly, 65.

PRIVILEGES, trade, early form of, 3.

state of, in time of Elizabeth, ib.

source of present, 24.

PRIVY COUNCIL, considerations influencing the Judicial Committee of
the, in cases of extension, 214.

expensive experiments, 215.

loss from litigation, 216.

insufficient remuneration, 217.

Patent not worked, 218.

loss from prejudice, 219.

great merit in the invention, ib.

presumption in the absence of evidence, 224.
jurisdiction of the, 205.

PROCESS, no Patent for a, 65.

PRODUCT.

See SUBJECT MATTER.

PROFIT. See ACCOUNT OF SUIT IN EQUITY.

PROHIBITION, the grant is in effect a public, 117.
PROLONGATION. See EXTENSION. PRACTICE.
PROOF, burden of, in actions of infringement, 293.
suits of scire facias. See EVIDENCE.

PROPERTY in inventions, nature of, 117.

consists of a prohibitory right, ib.

of matter, exclusive profit from, not appropriable, 77.

PROPRIETORS, register of. See REGISTER.

PROTECTION, provisional, 151.

nature of, 152.

PROVISOES in original grant, 173.

renewed Letters-patent, 228.

PRUSSIA, provision of Patent Law in, 98.
notice of Patents in, 397.

PUBLIC, represented by the Crown.

See CROWN.

Attorney-General in cases of extension, 223.

information, difficulty in ascertaining state of, 88.

PUBLICATION of invention, modes of, 89.

in former Specification, 90.

QUEEN. See CROWN. PREROGATIVE.

QUEEN'S BENCH, Court of. See SCIRE FACIAS.
revocation of Letters-patent by the, 176.
relation of Chancery to, 177, 241.

QUO WARRANTO for repeal of Royal grants, 233.

RECORD, Documents of, 177.

RECORDS of Chancery. See MASTER OF THE ROLLS. LORD CHAN-

CELLOR.

REFERENCE to the Law Officers of application for the grant, 151.
form of, 465.

REGISTER of Proprietors, 115.

by, an unsafe guide as to proprietorship, 292.
search in the, 148.

REGISTRATION, institution of, 115.

deficiencies of, in case of Patents, 292.

REMEDIES for infringement. See ACTION. SUIT.

for illegal grant. See SCIRE FACIAS.

RENEWAL of Patents. See EXTENSION.

REPEAL. See SCIRE FACIAS.

of Judicial Committee, 194.

REPORT of Judicial Committee of the Privy Council in case of confirma-
tion, 194.

extension, 202.

RESTRAINT of trade, contracts in, 32.

RESTRAINTS on trade generally, 10.

REVOCATION. See SCIRE FACIAS.

REWARD. See GRANT.

for discoveries, Patents the most economical form of, 21.
other species of, 23.

RIGHT. See PROPERTY. PATENT.

SCOTLAND, transcripts of Letters-patent to be sent to, 177.

SECRET, disclosure of the, is the presumed consideration for the grant, 41.
SECRETS of trade, 27.

compounding medicines, property in, ib.

SICILIES, notice of Patents in the Kingdom of the Two, 381.

SOLEMN DECLARATION. See DECLARATION.

SPAIN, notice of Patents in, 387.

SPECIFICATION, the, conveys the consideration for the grant, 123.
mode of conveyance previous to its introduction, ib.

institution of, ib.

earliest instance of, ib.

difficulty of preparing the, 124.

object of, ib.

not to instruct persons unacquainted with the art, 126.

no set form for, 125.

must be accurate, 135.

and full, 126.

must state the most advantageous mode known to the Patentee of

employing the invention, 128.

is defective, if any method suggested fails, 139.

the uses to which it may be put, ib.

good faith is indispensable, 131.

but not sufficient, ib.

studied ambiguity in, avoids the grant, 132.

must state definitively the claims of the Patentee, 132, 135.

must state accurately the improvement effected by the Patent, 135.

rules as to drawing in connexion with, 141.

models not permitted to accompany, 124.

to be filed, not enrolled, 175.

time for filing, 159.

may be extended, 161.

is printed at the expense of the Commissioners, 147.

printed copies of, are open to the public, 127, 162.

are transmitted to Ireland and Scotland, 163.

SPECIFICATION-continued.

certified printed copies are receivable in evidence, 161.
Provisional, form of, 150.

requisites of, 135.

cannot be altered at instance of applicant, 151.

Law Officer may require the amendment of it, ib.
complete form of, 160; Appendix, 497.

STAMPS, duty on Patents payable by means of, 172.

STATE protection of inventor, possible good of, 19.

STATUTE of Monopolies the foundation of Patent Law, 37.

STATUTES. See APPENDIX.

SUBJECT of the grant. See SUBJECT MATTER.

SUBJECT MATTER, Coke's definition of, 55.

requisites of, 60.

defined by English text writers, 57, 58.

Foreign Law, 59.

is "the material result of an unpublished improvement in the pro-
duction of articles for public use," 87.

is independent of ingenuity, 61-63.

TRADE, benefit of, is reason for making the grant, 1, 81.
the criterion of identity in articles of manufacture, 81.
Patent must not be hurtful to," 97.

TRADEMARKS, false analogy, in case of infringement, 260.