- Latest available (Revised)
- Original (As enacted)
Patents Act 1977
You are here:
What Version
Advanced Features
- Show Geographical Extent(e.g. England, Wales, Scotland and Northern Ireland)
- Show Timeline of Changes
Opening Options
More Resources
Changes over time for: Section 75
Alternative versions:
Changes to legislation:
Patents Act 1977, Section 75 is up to date with all changes known to be in force on or before 28 November 2024. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations.
Changes to Legislation
Revised legislation carried on this site may not be fully up to date. Changes and effects are recorded by our editorial team in lists which can be found in the ‘Changes to Legislation’ area. Where those effects have yet to be applied to the text of the legislation by the editorial team they are also listed alongside the legislation in the affected provisions. Use the ‘more’ link to open the changes and effects relevant to the provision you are viewing.
Changes and effects yet to be applied to the whole Act associated Parts and Chapters:
Whole provisions yet to be inserted into this Act (including any effects on those provisions):
- s. 56(4)(a)(iiia) and word added by S.I. 2006/1056 Sch. para. 2(b) (This amendment comes into force on the day on which 2005 asp 13, s. 20 comes into force, see art. 1(2)(b))
- s. 63(3)(a) words in s. 63(3) renumbered as s. 63(3)(a) by 2004 c. 16 s. 2(4) (Amendment not applied to legislation.gov.uk. S. 2(4) was repealed (29.4.2006) by S.I. 2006/1028, art. 2(4), Sch. 4)
- s. 63(3)(b) and word inserted by 2004 c. 16 s. 2(4) (Amendment not applied to legislation.gov.uk. S. 2(4) was repealed (29.4.2006) by S.I. 2006/1028, art. 2(4), Sch. 4)
75 Amendment of patent in infringement or revocation proceedings.U.K.
(1)In any proceedings before the court or the comptroller in which the validity of a patent [F1may be ] put in issue the court or, as the case may be, the comptroller may, subject to section 76 below, allow the proprietor of the patent to amend the specification of the patent in such manner, and subject to such terms as to advertising the proposed amendment and as to costs, expenses or otherwise, as the court or comptroller thinks fit.
(2)A person may give notice to the court or the comptroller of his opposition to an amendment proposed by the proprietor of the patent under this section, and if he does so the court or the comptroller shall notify the proprietor and consider the opposition in deciding whether the amendment or any amendment should be allowed.
(3)An amendment of a specification of a patent under this section shall have effect and be deemed always to have had effect from the grant of the patent.
(4)Where an application for an order under this section is made to the court, the applicant shall notify the comptroller, who shall be entitled to appear and be heard and shall appear if so directed by the court.
[F2(5)In considering whether or not to allow an amendment proposed under this section, the court or the comptroller shall have regard to any relevant principles applicable under the European Patent Convention.]
Textual Amendments
F1Words in s. 75(1) substituted (1.1.2005) by Patents Act 2004 (c. 16), s. 17(1), Sch. 2 para. 19; S.I. 2004/3205, art. 2(k) (with art. 9)
F2S. 75(5) inserted (13.12.2007) by Patents Act 2004 (c. 16), ss. 2(5), 17(1); S.I. 2007/3396, art. 2(d)
Options/Help
Print Options
PrintThe Whole Act
PrintThe Whole Part
PrintThe Whole Cross Heading
PrintThis Section only
You have chosen to open The Whole Act
The Whole Act you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.
Would you like to continue?
You have chosen to open The Whole Act as a PDF
The Whole Act you have selected contains over 200 provisions and might take some time to download.
Would you like to continue?
You have chosen to open the Whole Act
The Whole Act you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.
Would you like to continue?
Legislation is available in different versions:
Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.
Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
See additional information alongside the content
Geographical Extent: Indicates the geographical area that this provision applies to. For further information see ‘Frequently Asked Questions’.
Show Timeline of Changes: See how this legislation has or could change over time. Turning this feature on will show extra navigation options to go to these specific points in time. Return to the latest available version by using the controls above in the What Version box.
Opening Options
Different options to open legislation in order to view more content on screen at once
More Resources
Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:
- the original print PDF of the as enacted version that was used for the print copy
- lists of changes made by and/or affecting this legislation item
- confers power and blanket amendment details
- all formats of all associated documents
- correction slips
- links to related legislation and further information resources
Timeline of Changes
This timeline shows the different points in time where a change occurred. The dates will coincide with the earliest date on which the change (e.g an insertion, a repeal or a substitution) that was applied came into force. The first date in the timeline will usually be the earliest date when the provision came into force. In some cases the first date is 01/02/1991 (or for Northern Ireland legislation 01/01/2006). This date is our basedate. No versions before this date are available. For further information see the Editorial Practice Guide and Glossary under Help.
More Resources
Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:
- the original print PDF of the as enacted version that was used for the print copy
- correction slips
Click 'View More' or select 'More Resources' tab for additional information including:
- lists of changes made by and/or affecting this legislation item
- confers power and blanket amendment details
- all formats of all associated documents
- links to related legislation and further information resources
All content is available under the Open Government Licence v3.0 except where otherwise stated. This site additionally contains content derived from EUR-Lex, reused under the terms of the Commission Decision 2011/833/EU on the reuse of documents from the EU institutions. For more information see the EUR-Lex public statement on re-use.