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Patent Infringement Action - Stages 3 and 4

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Lawdit Solicitors - Expert Author

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19 May 2011

Stage 3 - Defences to a Patent Infringement Action

During a Patent Infringement Action the infringer will certainly want to defend your claim and some of the defences the infringing party may rely on are as follows:

Patent has expired

In order to keep your patent you have to renew it on the 4th year of the filing date and you must renew it every year after that. You can renew for up to a maximum of 20 years. Therefore if the other party shows that the period of patent protection has expired, this may be used as a defence because there is not protection in place.

Invalidity

One of the most common defences of a patent dispute is to show that the patent is invalid and to claim that the patent should be revoked. If the court rules that the patent is valid, to avoid claims of invalidity and revocation a certificate of contested validity is available to the patentee for use if problems arise in the future.

Limited scope of patent claims

Even if the patent is valid if a person shows that the patent claims do not cover the alleged infringement; that in itself is a defence.

Private, non-commercial use

According to section 60(5) (a) it is a defence to show that the invention was used privately and for non-commercial purposes.

Experimental Purpose

According to section 60(5) (b), it is a defence to show that the invention was used for experimental purposes.

Innocent Infringement

According to section 62(1) if the defendant can show that (a) he did not know and (b) had no reasonable grounds for supposing…that the relevant patent existed.

Stage 4 - Remedies

The remedies for patent infringement include the following:

*Injunction

*Delivery or an account to profit

*Delivery up or destruction of an infringing product

*A declaration that the patent is valid.

If you think a patent has been infringed or have been accused of infringing a patent you should seek legal advice immediately.

Aneela Akbar is a legal assistant to Izaz Ali (izaz.ali@lawdit.co.uk). Izaz is a commercial solicitor who specialises in information technology law and intellectual property law with an emphasis on IT, escrow, online and off-line contracts and the buying and selling of online businesses.


About the Author

Lawdit Solicitors offer services and advice for litigation, commercial contracts, Intellectual Property and IT legal agreements. We are experts in commercial law with a heavy emphasis on Intellectual Property, Internet and e-commerce law. Lawdit is a member of the International Trademark Association, the Solicitors' Association of Higher Court Advocates and we are the appointed Solicitors to the largest webdesign association in the world, the United Kingdom Website Designers Association.



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Article Published/Sorted/Amended on Scopulus 2011-06-02 12:11:27 in Legal Articles

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