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Expert Patent & Trade Mark Attorneys UK
Sweetinburgh & Windsor is a firm of chartered patent and trade mark attorneys dedicated to providing high-quality, straightforward advice to businesses and universities. With over 20 years of combined experience, we specialise in intellectual property protection, offering tailored strategies to safeguard innovations and brands. Our team of qualified professionals delivers clear, professional guidance, prioritising attention to detail and client satisfaction. We assist clients globally with patents, trade marks, and registered designs, ensuring compliance with UK and European practices.

Our mission focuses on simplifying the IP process, minimising client involvement, and providing strategic solutions for freedom-to-operate assessments and IP audits. We offer free initial meetings, training, and regular updates to support informed decision-making. Regulated by IPREG, our firm maintains rigorous professional standards while fostering collaborative relationships with overseas associates to deliver comprehensive IP services worldwide.
Services
Patents Trade Marks Designs Renewals Infringement Opinions IP Audits Validations Training
Highlights and features
  • We offer over 20 years of experience in intellectual property law.
  • Our advice is tailored to your specific business needs.
  • We provide clear, professional guidance with attention to detail.
  • Free initial meetings and training sessions are available.
  • We work globally with overseas associates for comprehensive coverage.
Associations and certifications
  • IPREG
Services
Patents
Patents safeguard inventions, granting exclusive rights to creators. Our team assists with patent applications, prosecution, and global filings. We provide strategic advice to ensure robust protection for technological innovations, helping businesses maintain competitive advantages through tailored IP strategies.
Trade Marks
Trade marks protect brand names, logos, and company identities. We handle trademark registration, enforcement, and portfolio management. Our services ensure brands are secured across jurisdictions, offering audits and infringement assessments to mitigate risks and preserve brand value.
Designs
Designs protect the visual appearance of products. We manage design registrations and enforcement, advising on both unregistered and registered design rights. Our expertise ensures aesthetic innovations receive comprehensive protection, enhancing market differentiation and commercial value.
Infringement Opinions
Infringement opinions evaluate potential IP conflicts. We conduct detailed analyses to determine if products, processes, or brands infringe existing rights. Our assessments help clients navigate legal risks, enabling informed decisions for market entry and product development.
IP Audits
IP audits assess the strength and scope of intellectual property portfolios. We identify gaps, risks, and opportunities for protection, ensuring IP aligns with business objectives. Our audits provide actionable recommendations to optimise asset management and strategic growth.
People
Mark Sweetinburgh
Partner
Mark Sweetinburgh, a chartered patent attorney, specialises in IP strategy and prosecution. With extensive experience in European and UK practices, he advises businesses on patent filings, brand protection, and global IP management.
Louise Windsor
Partner
Louise Windsor focuses on trade mark and design protection. Her expertise includes portfolio management and infringement analysis. She works closely with clients to develop tailored strategies, ensuring comprehensive IP protection aligned with business goals.
Katrina Peebles
Consultant
Katrina Peebles provides specialist IP consultancy, with a focus on patent prosecution and freedom-to-operate assessments. Her technical background supports clients in navigating complex IP landscapes and securing rights globally.
Simon Davies
Consultant
Simon Davies offers expertise in European patent applications and opposition proceedings. He assists clients with IP audits and strategy, ensuring robust protection for innovations and compliance with evolving legal standards.
Kevin Fournier
Consultant
Kevin Fournier specialises in trademark enforcement and dispute resolution. His work includes advising on brand protection strategies and representing clients in opposition proceedings, ensuring effective management of IP assets.
Questions
What services does Sweetinburgh & Windsor offer?
We specialise in patents, trade marks, designs, IP audits, infringement opinions, and global IP management for businesses and universities.
How can I protect my invention?
File a patent application through us to secure exclusive rights, ensuring legal protection and competitive advantage for your innovation.
Do you offer free consultations?
Yes, we provide free initial meetings to discuss your IP needs and develop a tailored protection strategy.
Can you assist with international IP protection?
We collaborate with overseas associates to manage global patent, trade mark, and design filings efficiently.
What is an IP audit?
An IP audit evaluates your intellectual property assets, identifying risks, gaps, and opportunities to align IP with business objectives.
How do I check for trademark infringement?
We conduct detailed infringement opinions to assess potential conflicts and advise on risk mitigation strategies.
Reviews (1)
Mike Mew
Jul 13, 2014 Report
I've found Mark to give excellent service, to be fast and efficient and would recommend him to others. Please contact me for a reference if necessary; Mike Mew Orthotropics.
Mike