Additional drawing to be furnished. Notice of opposition. Copy for applicant. Particulars of prior patent. Opponent's evidence. Applicant's evidence. Evidence in reply. the same, as well as the copy thereof, must be prepared in accordance with Rules 10, 28, and 29. Illustrated Journal. 31. Every applicant for the grant of a patent shall, in addition to the drawings to be furnished with his complete specification, furnish the Comptroller with a drawing illustra tive of the feature or features of novelty constituting his invention. Such drawing must be prepared in the manner prescribed for the copy of the original drawing or drawings accompanying the specification, but must not cover a space exceeding 16 square inches. The drawing must be accompanied by a concise explanatory statement on foolscap paper, and legibly written or printed.' Opposition to Grants of Patents. 32. A notice of opposition to the grant of a patent shall state the ground or grounds on which the person giving such notice (hereinafter called the opponent) intends to oppose the grant, and shall be signed by him. Such notice shall state his address for service in the United Kingdom. 33. On receipt of such notice a copy thereof shall be furnished by the Comptroller to the applicant. 34. Where the ground or one of the grounds of opposition is that the invention has been patented in this country on an application of prior date, the title, number, and date of the patent granted in such prior application shall be specified in the notice. 35. Within 14 days after the expiration of two months from the date of the advertisement of the acceptance of a complete specification, the opponent shall leave at the Patent Office statutory declarations in support of his opposition, and deliver to the applicant a list thereof. 36. Within 14 days from the delivery of such list the applicant shall leave at the Patent Office statutory declarations in answer, and deliver to the opponent a list thereof, and within seven days from such delivery the opponent shall leave at the Patent Office his statutory declarations in reply, 1 The office now dispense with the concise explanatory statement. Closing of vidence. Notice of earing. Disallowance of pposition in ertain cases. Decision to be otified to arties. ayment of fees 501, and 1007. patent. and deliver to the applicant a list thereof. Such last-mentioned declarations shall be confined to matters strictly in reply. Copies of the declarations mentioned in this and the last preceding Rule may be obtained either from the Patent Office or from the opposite party. 37. No further evidence shall be left on either side except by leave of the Comptroller upon the written consent of the parties duly notified to him, or by special leave of the Comptroller on application made to him for that purpose. 33. Either party making such application shall give notice thereof to the opposite party, who shall be entitled to oppose the application. 39. On the completion of the evidence the Comptroller shall appoint a time for the hearing of the case, and shall give to the parties seven days' notice at the least of such appoint ment. 40. On the hearing of the case no opposition shall be allowed in respect of any ground not stated in the notice of opposition; and where the ground or one of the grounds is that the invention has been patented in this country on an application of prior date, the opposition shall not be allowed upon such ground unless the title, number, and date of the patent granted on such prior application shall have been duly specified in the notice of opposition. 41. The decision of the Comptroller in the case shall be notified by him to the parties. Certificates of Payment or Renewal. 42. If a patentee intends at the expiration of the fourth or r continuance eighth year from the date of his patent to make the prescribed payment for keeping the same in force, he shall, seven days at least before such expiration, give notice to the Comptroller of such intention, and shall, before the expiration of such fourth or eighth year, as the case may be, leave at the Patent Office a form of certificate of payment, duly stamped, subject as hereinafter provided, with the prescribed fee of 501. or 1007. as the case may be. As to patents granted before commencement of Act. Payment of annual fees in lieu of 501. and 1007. Certificate payment. Enlargement of time for pay ments. In other cases. Request for leave to amend. 43. In the case of patents granted before the commencement of the said Act, the above Rule shall be read as if the words seventh year' were therein written instead of the words eighth year.' 44. If the patentee intends to pay annual fees in lieu of the above-mentioned fees of 50l. and 100l., he shall, seven days at least before the expiration of the fourth and each succeeding year during the term of the patent, until and inclusive of the thirteenth year thereof, give notice to the Comptroller of such intention, and shall, before the expiration of such respective periods as aforesaid, leave at the Patent Office a form of certificate of payment, duly stamped with the fee prescribed to be paid at such periods respectively. 45. On due compliance with these Rules, and as soon as may be after such respective periods as aforesaid, or any enlargement thereof respectively duly granted, the Comptroller shall give to the patentee a certificate that the prescribed payment has been duly made. Enlargement of Time. 46. An application for an enlargement of the time for making a prescribed payment shall state in detail the circumstances in which the patentee by accident, mistake, or inadvertence has failed to make such payment, and the Comptroller may require the patentee to substantiate by such proof as he may think necessary the allegations contained in the application for enlargement. 47. The time prescribed by these Rules for doing any act, or taking any proceeding thereunder, may be enlarged by the Comptroller if he think fit, and upon such notice to other parties, and proceedings thereon, and upon such terms, as he may direct. Amendment of Specification. 48. A request for leave to amend a specification shall be signed by the applicant or patentee and accompanied by a copy of the original specification and drawings, showing in red ink the proposed amendment, and shall be advertised by pub Advertisement. Notice of opposition. Copy for the applicant. Opponent's evidence. Further proceedings. Decision to be notified to parties. Requirements thereon. Leave by order of Court. Advertisement of amendment. lication of the request and the nature of the proposed amendment in the official journal of the Patent Office, and in such other manner (if any) as the Comptroller may in each case direct. 49. A notice of opposition to the amendment shall state the ground or grounds on which the person giving such notice (hereinafter called the opponent) intends to oppose the amendment, and shall be signed by him. Such notice shall state his address for service in the United Kingdom. 50. On receipt of such notice a copy thereof shall be furnished by the Comptroller to the applicant or patentee, as the case may be (hereinafter called the applicant). 51. Within 14 days after the expiration of one month from the first advertisement of the application for leave to amend, the opponent shall leave at the Patent Office statutory declarations in support of his opposition, and deliver to the applicant a list thereof. 52. Upon such declarations being left, and such list being delivered, the provisions of Rules 36, 37, 38, and 39 shall apply to the case, and the further proceedings therein shall be regulated in accordance with such provisions as if they were here repeated. 53. The decision of the Comptroller in the case shall be notified by him to the parties. 54. Where leave to amend is given the applicant shall, if the Comptroller so require, and within a time to be limited by him, leave at the Patent Office a new specification and drawings as amended, to be prepared in accordance with Rules 10, 28, and 29. 55. Where a request for leave to amend is made by or in pursuance of an order of the Court or a judge, an official or verified copy of the order shall be left with the request at the Patent Office. 56. Every amendment of a specification shall be forthwith advertised by the Comptroller in the official journal of the Patent Office, and in such other manner (if any) as the Comptroller may direct. BB Petition for compulsory grant of licences. To be left with evidence at Patent Office. Directions as to further proceed tion refused. Compulsory Licences. 57. A petition to the Board of Trade for an order upon a patentee to grant a licence shall show clearly the nature of the petitioner's interest, and the ground or grounds upon which he claims to be entitled to relief, and shall state in detail the circumstances of the case, the terms upon which he asks that an order may be made, and the purport of such order. 58. The petition and an examined copy thereof shall be left at the Patent Office, accompanied by the affidavits or statutory declarations, and other documentary evidence (if any) tendered by the petitioner in proof of the alleged default of the patentee. 59. Upon perusing the petition and evidence, unless the ings unless peti- Board of Trade shall be of opinion that the order should be at once refused, they may require the petitioner to attend before the Comptroller, or other person or persons appointed by them, to receive his or their directions as to further ceedings upon the petition. Procedure. Petitioner's evidence. Patentee's evidence. Evidence in reply. Further proceedings. pro 60. If and when a primâ facie case for relief has been made out to the satisfaction of the Board of Trade, the petitioner shall upon their requisition, and on or before a day to be named by them, deliver to the patentee copies of the petition and of the affidavits or statutory declarations and other documentary evidence (if any) tendered in support thereof. 61. Within 14 days after the day of such delivery the patentee shall leave at the Patent Office his affidavits or statutory declarations in opposition to the petition, and deliver copies thereof to the petitioner. 62. The petitioner within 14 days from such delivery shall leave at the Patent Office his affidavits, or statutory declarations in reply, and deliver copies thereof to the petitioner; such last-mentioned affidavits or declarations shall be confined to matters strictly in reply. 63. Subject to any further directions which the Board of Trade may give the parties shall then be heard at such time, before snch person or persons, in such manner, and in ac |