What HLK's clients have to say

‘HLK have become an extension of our legal team, not merely an external resource. The practice have developed their own relationships with key stakeholders in our business and have worked extensively to understand our business as a whole.’

‘Excellent technical knowledge and easy to deal with.’

‘Rarely does a firm put out such high-quality work product so consistently for such good value.’

‘Deep expertise and outstanding advocacy in patent oppositions.’

‘All of the partners and associates I have worked with are accomplished experts in their own technical field, as well as being skilled patent attorneys.’

‘Excellent support, always available and clear advice.’

‘The patent team are all extremely competent engineers and can quickly understand and analyse new technologies. We see this as critical to assessing the novelty of new technologies and obtaining the broadest, most robust protection that is practicable.’

‘HLK combine technological expertise with a highly efficient organisation which is capable of working with accuracy.’

‘They are extraordinarily responsive and knowledgeable and are my go-to firm for matters in the UK and the EU.’

‘High-quality patent agents who can understand the technology and science as well as drafting accurate patents.’

‘Haseltine Lake Kempner is creative, responsive and demonstrates the utmost professionalism, legal knowledge and attention to detail. In addition, the practitioners are wizards when working with specifications written for the US.’

‘Very knowledgeable on their subject matter. Excellent response times.’

‘A top-tier practice, a boutique which punches above its weight.’

What legal directories say

The Legal 500

‘Haseltine Lake Kempner LLP focuses on longstanding direct client relationships, partnering with clients in strategic matters and handling a substantial amount of original patent application drafting. Both in the UK and before the EUIPO, the firm is among the most active filers of applications, with the EPO oppositions and appeals practice tying in well for European matters.’

‘The practice impresses in advisory and contentious matters alike, consistently appearing among the most active UK and EU trade mark filers as well as among the most active representatives in contentious hearings at the UKIPO.’

Chambers and Partners

‘Specialist boutique of solicitors working closely with trade mark and patent attorneys, able to advise on the full spectrum of IP rights and matters, including prosecution proceedings, commercialisation transactions and infringement disputes. Acts for leading brands and innovators around the world. A destination of choice for foreign law firms in need of UK IP advice for their clients.’


‘Since the headline-grabbing merger between Haseltine Lake and Kempner & Partners in 2019, the resulting powerhouse has been earning rave reviews for its comprehensive patent offering.’

World Trademark Review (WTR)

‘In the three years since Haseltine Lake merged with Kempner & Partners, the firm has gone from strength to strength, with trademark attorneys and solicitors working in tandem to secure copper-bottomed IP protection for clients.’