July 2021

Our office conducted a complete and comprehensive trademark clearance on multiple proposed marks for a new drug developed by a major pharmaceutical research and manufacturer. The search includes knockout search with United States Patent & Trademark Office, common law clearance and industry sources search.

July 2021

We assisted a bio R&D company client negotiated a successful resolution with the landlord when landlord refused to admit and honor the tenant a verbal agreement to renew the lease. We reasoned with landlord's lawyer a reputable law firm in Massachusetts that the landlord not only granted the renewal but made some space arrangements with client's next door tenant as it promised, upon which client relied and requested written renewal. After two rounds of legal arguments in writing, the landlord backed down and agreed to lease another space in the building to client. 

July 2021

We assisted a technology company client defendant with its litigation counsel in obtaining the court's grant for a Motion to Amend the Answer to the Complaint for copyright infringement, misappropriate of trade secrets, breach of contract, unfair and deceptive business practice, and tortious interference of business contract.

July 2021

 Our office consulted and advised a doctor going into a partnership with an established physician practice.   

July 2021

We represented and advised a client with regards to the sale and transfer of an auto repair and dealer shop.

June 2021

We advised a real estate brokerage company on applying and obtaining brokerage license and developing agent agreement, property management agreement, and lease addendum.

June 2021

Our office represented a Chinese dental product manufacturer client negotiating a satisfactory resolution with its distributor in New Jersey owing a large amount of payment.


Lion’s Law, P.C. is a Massachusetts-based law firm, servicing clients primarily in Massachusetts and their needs across other US states and sometimes globally, particularly particularly those located in Boston, Cambridge, Waltham, Brookline, Wellesley, Weston, Lexington, Needham, Dover, Winchester, Natick and their needs across China. We combine our legal expertise with a value of high integrity, effective, responsive, creative, and practicability, to achieve outstanding results and ultimate goals for our clients. Read what our clients say About Us.

Our team works hard to understand clients’ business and then apply our individual and collective legal expertise and human touch to deliver excellence. This combination of business intelligence, experienced legal skill, and responsible attitude results in a unique and personal approach for each of our clients.


Our clients range from startups, emerging companies to well-established companies across diversified industry clusters, including venture capital and angel fund, nonprofit, healthcare, biotechnology, drug discovery, CRO, recruiting and staffing, real estate broker, real estate developer, chemical and industrial product distributor, education consulting, emerging technologies, medical device, restaurants, export and import, business incubators.

We deliver excellence and we are your trusted advisors.


Valued Feedback


"Attorney Dai is a trustworthy partner for our business all time. She is very sophisticated and dedicated to playing a role as an in-house counsel to advise and resolve regular and ad hoc legal matters. Her approach is also very friendly to small and medium-sized businesses. She has great work ethics and well equipped with knowledge and know-how for startups as they scaling locally and across the border."




Staff at lionslawgroup.com


460 Totten Pond Road, Suite 410, Waltham, MA 02451 (Waltham Office)

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