17. Any person desirous of exhibiting an invention at an industrial Industrial or or international exhibition, or of publishing any description of the International invention during the period of the holding of the exhibition, or of Exhibitions. using the invention for the purpose of the exhibition in the place where the exhibition is held, shall, after having obtained from the Board of Trade a certificate that the exhibition is an industrial or international one, give to the comptroller seven days' notice of his intention to exhibit, publish, or use the invention, as the case may be. For the purpose of identifying the invention in the event of an application for a patent being subsequently made the applicant shall furnish to the comptroller a brief description of his invention accompanied, if necessary, by drawings, and such other information as the comptroller may in each case require.

18. Any document for the amending of which no special provision is Power of made by the said Act may be amended, and any irregularity in pro- amendment, cedure, which in the opinion of the comptroller may be obviated &c. without detriment to the interests of any person, may be corrected, if

and on such terms as the comptroller may think fit.

19. Any application, notice, or other document authorized or required Documents by to be left, made or given at the patent office or to the comptroller or to post. any other person under these Rules may be sent by a prepaid letter through the post, and if so sent shall be deemed to have been left, made or given respectively at the time when the letter containing the same would be delivered in the ordinary course of post.

In proving such service or sending it shall be sufficient to prove that the letter was properly addressed and put into the post.

20. Affidavits may, except where otherwise prescribed by these Affidavits. Rules, be used as evidence in any proceedings thereunder when sworn to in any of the following ways, viz. :

(1.) In the United Kingdom before any person authorized to administer oaths in the Supreme Court of Judicature or before a justice of the peace for the county or place where it is sworn or made.

(2.) In any place in the British dominions out of the United Kingdom before any Court, judge, or justice of the peace or any person authorized to administer oaths there in any Court. (3.) In any place out of the British dominions before a British minister, or person exercising the functions of a British minister, or a British consul, vice-consul, or other person exercising the functions of a British consul, or a notary public, or before a judge or magistrate.

21. Where any statutory declaration prescribed by these rules, or Statutory used in any proceedings thereunder, is made out of the United King- declarations. dom, the words "and by virtue of the Statutory Declarations Act, 1835," must be omitted, and the declaration shall (unless the context otherwise requires) be made in the manner prescribed in Rule 20, subsection (3) (b).

APPLICATION WITH PROVISIONAL OR COMPLETE SPECIFICATION.

22. Applications for a patent sent by prepaid letter through the Order of post shall, as far as may be practicable, be opened and numbered in the recording applications.

Application for separate patents by way of amendment.

Application by representa

tive of deceased inventor.

Notice and

order in which the letters containing the same have been respectively delivered in the ordinary course of post.

Applications left at the patent office otherwise than through the post shall be in like manner numbered in the order of their receipt at the patent office.

23. Where a person making application for a patent includes therein by mistake, inadvertence, or otherwise, more than one invention, he may, after the refusal of the comptroller to accept such application, amend the same so as to apply to one invention only, and may make application for separate patents for each such invention accordingly. Every such application shall bear the date of the first application, and shall, together therewith, be proceeded with in the manner prescribed by the said Act and by these Rules as if every such application had been originally made on that date for one invention only.

24. An application for a patent by the legal representative of a person who has died possessed of an invention shall be accompanied by an official copy of or extract from his will or the letters of administration granted of his estate and effects in proof of the applicant's title as such legal representative.

25. On the acceptance of an application with a provisional or advertisement complete specification the comptroller shall give notice thereof to the of acceptance. applicant, and shall advertise such acceptance in the official journal of the patent office (c).

Inspection on 26. Upon the publication of such advertisement of acceptance in the acceptance of case of an application with a complete specification the application and specification or specifications with the drawings (if any) may be inspected at the patent office upon payment of the prescribed fee (d).

complete specification.

Communica

tion from abroad.

Size of drawings.

Copies of drawings.

APPLICATION ON COMMUNICATION FROM ABROAD.

27. An application for a patent for an invention communicated from abroad shall be made in the Form A 1 set forth in the Second Schedule hereto (e).

SIZES AND METHODS OF PREPARING DRAWINGS ACCOMPANYING
PROVISIONAL OR COMPLETE SPECIFICATIONS (ƒ).

28. The drawings accompanying provisional or complete specifications shall be made upon half-sheets or sheets of imperial drawing paper, to be within a border line of 19 inches by 12 inches, or 27 inches by 19 inches, with a margin of half-an-inch all round.

29. A copy of the drawings will be required upon rolled imperial drawing paper or upon thin Bristol board of the same dimensions as the original drawing or drawings. All the lines must be absolutely black, Indian ink of the best quality to be used, and the same strength or colour of the ink maintained throughout the drawing. Any shading must be in lines clearly and distinctly drawn and as open as is con

(c) See sect 10 of the Act of 1883, p. 310, ante.

(d) Ibid.

(e) See now substituted Form A 1 (post, p. 359), under P. R. 1885, r. 5 (post, p. 356). As to such applications, see ante, p. 13.

(f) See sect. 2 of Act of 1886, ante, p. 333. The above rules, 28-30, were repealed by Revised Rules of 16th of September, 1886. Copies of the latter are given gratuitously at the Sale branch of the Patent Office.

sistent with the required effect. Section lines should not be too closely drawn. No colour must be used for any purpose upon the copy of the drawings. All letters and figures of reference must be bold and distinct. The border line should be one fine line only. The drawings must not be folded, but must be delivered at the patent office either in a perfectly flat state or rolled upon a roller so as to be free from creases or breaks.

30. Where a complete specification is left at the patent office after a provisional specification has been accepted the complete specification and drawing or drawings accompanying the same, as well as the copy thereof, must be prepared in accordance with Rules 10, 28, and 29.

ILLUSTRATED JOURNAL (ƒ).

31. Every applicant for the grant of a patent shall, in addition to Additional the drawings to be furnished with his complete specification, furnish the drawing to be comptroller with a drawing illustrative of the feature or features of furnished. 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 (g).

32. A notice of opposition to the grant of a patent shall state the Notice of ground or grounds on which the person giving such notice (hereinafter opposition. 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 Copy for the comptroller to the applicant. applicant.

34. Where the ground or one of the grounds of opposition is that Particulars of the invention has been patented in this country on an application of prior patent. prior date, the title, number, and date of the patent granted in such prior application shall be specified in the notice."

35. Within fourteen days after the expiration of two months from Opponent's the date of the advertisement of the acceptance of a complete specifi- evidence. cation, 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 fourteen days from the delivery of such list the appli- Applicant's cant shall leave at the patent office statutory declarations in answer, evidence. 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, and deliver to the applicant a list thereof. Such Evidence in last-mentioned declarations shall be confined to matters strictly in reply. 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.

(ƒ) This rule has been repealed by Revised Rules of 16th of September, 1886. See last note.

(g) See sect. 38 of the Act of 1883, p. 318, ante.

Closing of evidence.

Notice of hearing.

in certain

cases.

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.

38. Either party making such application shall give notice thereof to the opposite party, who shall be entitled to oppose the applica

tion.

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 appointment.

Disallowance 40. On the hearing of the case no opposition shall be allowed in of opposition 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.

Decision to be notified to parties.

Payment of fees of 501. and 1007. for continuance of patent.

As to patent
granted
before com-
mencement of
act.

Payment of
annual fees

in lieu of 50%

and 100%.

Certificate of payment.

Enlargement of time for payments.

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 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 507. or 1007., as the case may be.

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 abovementioned fees of 507. and 1007., 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 13th 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 In other cases. any proceedings 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.

amend.

48. A request for leave to amend a specification shall be signed by Request for the applicant or patentee and accompanied by a copy of the original leave to specification and drawings, showing in red ink the proposed amendment, and shall be advertised by publication of the request and the Advertisenature 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.

ment.

49. A notice of opposition to the amendment shall state the ground Notice of or grounds on which the person giving such notice (hereinafter called opposition. 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 Copy for the comptroller to the applicant or patentee, as the case may be (herein applicant. after called the applicant).

51. Within fourteen days after the expiration of one month from the Opponent's first advertisement of the application for leave to amend, the opponent evidence. 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, Further prothe provisions of Rules 36, 37, 38, and 39 shall apply to the case, and ceedings. 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 Decision to him to the parties.

be notified to parties.

54. Where leave to amend is given the applicant shall, if the comp- Requirements troller so require, and within a time to be limited by him, leave at the thereon. 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 Leave by of an order of the Court or a judge, an official or verified copy of the order of order shall be left with the request at the patent office.

court.

56. Every amendment of a specification shall be forthwith advertised Advertiseby the comptroller in the official journal of the patent office, and in such ment of other manner (if any) as the comptroller may direct.

COMPULSORY LICENCES (h).

amendment.

57. A petition to the Board of Trade for an order upon a patentee to Petition for grant a licence shall show clearly the nature of the petitioner's interest, compulsory and the ground or grounds upon which he claims to be entitled to grant of licences. 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.

(h) See sect. 22 of the Act of 1883, p. 313, ante.