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.

As to the relation of drawings to the specification see note to S. 5.

ILLUSTRATED JOURNAL.

be fur

31. Every applicant for the grant of a patent shall, in Additional addition to the drawings to be furnished with his complete drawing to specification, furnish the Comptroller with a drawing nished. illustrative 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.

S. 40 gives the Comptroller power to publish an illustrated journal.

OPPOSITION TO GRANTS OF PATENTS.

32. A notice of opposition to the grant of a patent shall Notice of opposition. state the ground or grounds on which the person giving such notice (herein-after 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.

For Form of Notice see Patents Forms, D.

The fee payable by opponent is 108. See First Schedule.

33. On receipt of such notice a copy thereof shall be Copy for furnished by the Comptroller to the applicant.

See also S. 11, Subs. (2).

As the drawings accompanying the provisional and complete specification respectively are copied at the Patent Office for publication by the process of photo-lithography, this rule must be strictly observed in order that correct copies may be made.

applicant.

Particulars

of prior patent.

Opponent's evidence.

evidence.

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.

For grounds of opposition see S. 11.

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 (a) in support of his opposition, and deliver to the applicant a list thereof.

(a) See Rule 20.

Applicant's 36. Within 14 days from the delivery of such list the applicant shall leave at the Patent Office statutory declarations (a) 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 (a) in reply, and deliver to the applicant a list thereof. Such last-mentioned declarations shall be confined to matters strictly in reply.

Evidence in reply.

Closing of evidence.

Notice of bearing.

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.

(a) See Rule 20.

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 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 least of such appointment.

ance of

cases.

40. On the hearing of the case no opposition shall be Disallowallowed in respect of any ground not stated in the notice opposition of opposition, and where the ground or one of the grounds in certain 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.

For grounds of opposition see S. 11.

41. The decision of the Comptroller in the case shall Decision to be notified by him to the parties.

be notified

to parties.

Either party may appeal to law officer. See S. 11, Subs. (2).

CERTIFICATES OF PAYMENT OR RENEWAL.

make fees of 501. force, for con

and 100%.

give

tinuance of

patent.

42. If a patentee intends at the expiration of the Payment of fourth or eighth year from the date of his patent to the prescribed payment (a) for keeping the same in he shall seven days at least before such expiration notice (b) 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 (c), duly stamped, subject as herein-after provided, with the prescribed fee of 50l. or 100l. as the case may be.

(a) 50l. and 100%.

(b) Patents Forms, J.

(c) For Form see Patents Forms, J.

43. In the case of patents granted before the com- As to mencement of the said Act, the above Rule shall be read patents as if the words "seventh year" were therein written fore cominstead of the words "eighth year."

See the Second Schedule to the Act.

granted be

mencement of Act.

in lieu of

44. If the patentee intends to pay annual fees (a) in Payment of lieu of the above-mentioned fees of 50l. and 100l., he annual fees shall seven days at least before the expiration of the 501. and fourth and each succeeding year during the term of the 1007;

Certificate of payment.

Enlargement of time for

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.

(a) For list of fees payable see First Schedule to these Rules.

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.

For Form of Certificate see Patents Forms, J.

A record of the amount and time of payment will be entered on the Register. Rule 72.

ENLARGEMENT OF TIME.

46. An application for an enlargement of the time for making a prescribed payment shall state in detail the payments 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.

In other

cases.

Request for leave to amend.

See S. 17, Subs (3), (4), as to powers of Comptroller to enlarge the times for payments of fees.

The fees payable on enlarging the time, are, for enlarging time one month £3, 2 months £7, 3 months £10.

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 (α).

48. A request (b) for leave to amend a specification (c) shall be signed by the applicant or patentee and accompanied by a copy of the original specification and drawings,

ment.

showing in red ink the proposed amendment, and shall be advertised by publication of the request and the nature Advertiseof 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.

(a) These Rules do not apply to amendment of clerical errors, as to which see S. 91.

(b) For Form see Patents Forms, F.

(c) As to amendment of specification see S. 18.

49. A notice (a) of opposition to the amendment shall Notice of state the ground or grounds on which the person giving opposition. such notice (herein-after 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.

(a) For form see Patents Forms, G.

the appli

50. On receipt of such notice a copy thereof shall be Copy for furnished by the Comptroller to the applicant or patentee, cant." as the case may be (herein-after called the applicant).

evidence.

51. Within 14 days after the expiration of one month Opponent's from the first advertisement of the application for leave to amend, the opponent shall leave at the Patent Office statutory declarations (a) in support of his opposition and deliver to the applicant a list thereof.

(a) See Rule 20.

ings.

52. Upon such declarations being left, and such list Further being delivered, the provisions of Rules 36, 37, 38, and 39 proceedshall 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 Decision to

be notified by him to the parties.

be notified

to parties.

Either party may appeal to law officer. S. 18.

54. Where leave to amend is given the applicant shall, Requireif the Comptroller so require, and within a time to be

ments thereon.