{
  "url": "https://openlegislation.uk/patents-rules-1990/article-36",
  "json_url": "https://openlegislation.uk/patents-rules-1990/article-36.json",
  "legislation": "uksi/1990/2384",
  "legislation_title": "The Patents Rules 1990",
  "legislation_url": "https://openlegislation.uk/patents-rules-1990",
  "path": "article/36",
  "kind": "article",
  "number": "36",
  "heading": "Amendment of application before grant",
  "text": "(1) Unless the comptroller so requires, the applicant may not amend the description, claims and drawings contained in his application before the comptroller sends to the applicant the examiner’s report under section 17(5).\n(2) An applicant may of his own volition amend his application in accordance with the following provisions of this rule but not otherwise.\n(3) After the comptroller has sent to the applicant the examiner’s report under section 17(5) and before he sends to the applicant the first report of the examiner under section 18, the applicant may of his own volition amend the description, claims and drawings contained in his application.\n(4) After the applicant has been sent the first report of the examiner under section 18, in addition to his right under section 18(3) to amend the application so as to comply with the requirements of the Act and these Rules, the applicant may of his own volition amend once the description, claims or drawings of the application: provided that, if the examiner’s first report is made under section 18(3), the amendment shall be filed at the same time as the applicant replies to that report or, if the examiner’s first report is made under section 18(4), the amendment shall be filed within two months of that report being sent to the applicant.\n(5) Any further amendment to the description, claims or drawings which the applicant desires to make of his own volition may only be made with the consent of the comptroller following the filing of Patents Form 11/77 accompanied by a document clearly identifying the proposed amendment.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1990/2384/article/36",
    "retrieved_at": "2026-10-29T14:56:36.113772+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}