against disclaimer, 285 against sealing patent not to be lodged without leave of Lord Chan- provision as to sealing patents when delayed by caveat or opposition, CLAIMS. See DRAWINGS, SPECIFICATION usual but not absolutely necessary, 144 cases as to, 144-148 must not be wide and speculative, 117 suggestions as to preparing, 119, 144 may be all struck out by disclaimer, 146 CLERICAL ERRORS, 176. See LETTERS PATENT, SPECIFICATION COLOMBIA, patent law of, 362 COLONIES, of known things, &c., is patentable, 19, 127 how to frame specification under patent for, 127-132 patent for, does not protect the parts unless claimed, 146, 255 COMMISSIONERS OF PATENTS, 273 to report annually to Parliament, 273 COMMUNICATION FROM ABROAD, 88 patent for invention which is, may be granted to alien friend, 88 if granted to British subject in respect of invention already extension not granted of, when foreign patent has expired, 201 15 & 16 Vict. c. 83, s. 25, does not apply when patent first applicant for, must so state in his petition, or patent will be and give name and address of person from whom he re- in invention partly original and partly communicated parts should COMPANY. See COSTS, DIRECTORS CONFIRMATION of patents, 188 proceedings to obtain, 188 application for, to be made to Judicial Committee, 188 the ground of the application is the invalidity of patent, 189 but statute does not apply when previous user that of patentee not granted when previous user continues up to date of patent, 190 192 opposition to application, 189 COSTS. See CERTIFICATE directors of limited company infringing may be ordered to pay, per- COSTS-continued patentee having once obtained certificate of judge that validity of CROWN, and this though patent not contested in subsequent suit, 237 power of the, to grant patents, 1 to withhold grant, 165 no implied compact between Crown and patentee, 104 may use invention without assent of patentee, 269 but manufacturers contracting with the Crown have not this privi- does not guarantee the validity of letters patent, 5 DATE of letters patent, 174 DAMAGES for infringement, 232 cannot be granted in addition to an account, 232 form of inquiry in patent case, 232 different from that in trade-mark case, 232 may be awarded though patent expires before suit can be heard, 234 on petition for patent, form of, 317 DENMARK, patent law of, 363 DESTROYED or lost patent, replacement of, 177 DESTRUCTION of articles made in infringement of patent may be ordered, 235 DIRECTORS of limited company infringing may be made to pay costs personally, 236 DISCLAIMER. See CLAIMS, MEMORANDUM OF ALTERATION leave of law officer first to be obtained, 179, 186 actions not to be brought in respect of prior infringements without conditions required by law officer as to prior infringers, 182 must not extend the privilege granted by patent, 183 nor attempt to turn a specification for an impracticable gene- may be entered by assignee, 186 proceedings with regard to, 186 advertisements on applying for, 285 filing copy of, is sufficient compliance with 5 & 6 Will. IV. c. 83, DISCOVERY what must be made by defendant in suit for injunction, 235 plaintiff, 235 when several suits, suits not consolidated till all defendants have DRAWINGS. See CLAIMS rules as to official, 336, 339 to accompany specification when necessary, 105 DUPLICATE of letters patent issued in case of destruction or loss of original, 177 DURATION of letters patent, 175 for invention already patented abroad, 175 may be extended by petition to Queen in Council, 194. See EXTEN- DUTIES. See STAMP EVIDENCE, office copies of specifications, &c., receivable in, 274 EXCLUSIVE LICENCES, holder of, may obtain injunction, 218 EXECUTORS OR ADMINISTRATORS may receive grant of patent where inventor dies, after obtaining EXPERIMENTS, 59. See PRIOR USER made to procure evidence on trial of issues distrusted by Court, 232 case where an inventor derived pecuniary benefit from his experi- EXTENSION OF PATENT, chap. xii., 194 may be obtained by petition to Queen in Council, 194 proceedings to obtain, 195 once granted, jurisdiction exhausted, 202 petition must set forth all material facts, 196 evidence at the hearing, 196 accounts must be clear and unreserved, and properly proved, 197 profit year by year must be shown, 197 patentee may charge for loss of time and personal expenses, 197 will not be allowed to sever his profit as a manufacturer from assignee may obtain, 195, 293 but is not favoured unless he has assisted patentee, 195 and if extension granted, may be ordered to share profit with if invention not brought into use, fact must be explained, 198 may be granted as to one head only of invention, 199 special conditions in the new letters patent, 211 article to be sold at certain price, 211 licences to be granted on certain terms, 211 costs may be awarded to petitioners if opposition frivolous, or against EXTENSION OF PATENT-continued patent assumed to be valid on application for, 200 evidence as to want of novelty, &c., may be given, 198 of patent for invention communicated from abroad, 201 15 & 16 Vict. c. 83, s. 25, does not apply to patent first granted in Crown may at any time before sealing the new letters patent foreign invention may be patented in this country, 88 English patent for invention patented abroad, expires with, 175. See Russia, 378, and Finland, 381 San Salvador, 383 Spain, 384 Sweden, 387 Switzerland, 388 Venezuela, 388 FOREIGN SHIP, use of patented invention on board of, resorting to a British port, not an infringement, 269 |