Sunstein
Sunstein LLP was a Boston-based intellectual property law firm specializing in patent, trademark, and copyright matters. In 2026, all of its attorneys joined Merchant & Gould, a national full-service IP law firm, ending Sunstein's independent operations.
- Company typePrivate
- Founded2005
- HeadquartersBoston, United States
- Headcount51–100
- GTM typeB2B
- OfferingServices
Sunstein firmographics
Firmographics- Name
- Sunstein
- Legal name
- Sunstein LLP
- Website
- https://sunsteinlaw.com
- Company type
- Private
- Founded year
- 2005
- Operating status
- Acquired
- Headcount range
- 51–100 employees
- Short description
- Sunstein LLP was a Boston-based intellectual property law firm specializing in patent, trademark, and copyright matters. In 2026, all of its attorneys joined Merchant & Gould, a national full-service IP law firm, ending Sunstein's independent operations.
- Ownership category
- akta.pro rank
Sunstein industry classification
Industry- Product category
- Intellectual Property Law Services
- NAICS
- Offices of Lawyers (54111)
- SIC
- Services-Legal Services (8111)
- akta.pro industry
- Trademark Prosecution & Brand ProtectionBusiness & Public Services/Professional Services (Legal, Accounting, Consulting)/Intellectual Property (IP) & Patent Services
Keywords
Where Sunstein is headquartered
LocationHeadquarters
- HQ city
- Boston
- HQ country
- United States
- HQ region
- North America
Offices8 records
Markets served
Sunstein business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations
Sunstein product offering
Product offeringCore offering
Sunstein LLP is an intellectual property law firm that provides legal services in patent, trademark, and copyright matters. The firm focused exclusively on IP law, serving clients in the United States from its Boston office. According to the source, all Sunstein attorneys have joined Merchant & Gould, a national full-service intellectual property law firm.
Differentiator
Problem solved
Functional benefit
Products and services
- Sunstein LLP Legal Services Intellectual property law services covering patent, trademark, and copyright matters, delivered by Sunstein's attorneys to US-based business clients. Following the firm's transition, these services are now provided through Merchant & Gould.
Companies that use Sunstein
Customer profileIdeal customer profiles1 record
Sunstein technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Sunstein partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Merchant & GouldcoreSunstein LLP has announced that all its attorneys have joined Merchant & Gould, a national full-service intellectual property law firm. This represents a complete firm merger where Sunstein's Boston-based attorneys and operations become part of Merchant & Gould's nationwide IP practice.
Scale indicators3 records
Sunstein competitors and assessment
Company assessmentBroad incumbents
- Mintz: Boston-headquartered full-service law firm with a sizable IP practice among broader corporate, litigation, and regulatory offerings. Competes with Sunstein for IP work in the Northeast.
- Goodwin Procter: Boston-founded full-service national firm with a substantial IP and technology transactions practice. Comparable Boston IP client base though operates across many practice areas.
- WilmerHale: Boston-rooted full-service firm with a leading IP and technology litigation practice among its broader offering. Competes for high-stakes IP work emanating from Boston.
- McCarter & English: Northeast-based full-service firm with an established IP practice. Overlaps with Sunstein on regional IP matters in the Boston-to-NYC corridor.
- Choate Hall & Stewart: Boston-based full-service law firm with a recognized IP practice, particularly in life-sciences. Comparable Boston geography and overlapping technology/life-sciences IP clients.
- Foley Hoag: Boston-based full-service firm with a strong IP and life-sciences practice. Comparable Boston-market positioning and overlapping IP client base.
Direct peers
- Fish & Richardson: Large US law firm focused exclusively on IP, with deep patent and litigation practices and a similar headcount profile to Merchant & Gould. Closely comparable to Sunstein's positioning as a pure-play IP firm.
- Merchant & Gould: National full-service intellectual property law firm focused exclusively on IP, founded 125 years ago with 8 US offices and 100+ IP-focused attorneys. Now the direct acquirer of Sunstein's attorneys, making it the most directly comparable firm to legacy Sunstein.
- Wolf, Greenfield & Sacks: Boston-based IP boutique specializing in patent, trademark, and copyright matters. Closely comparable in scale, geography, and exclusive IP focus to legacy Sunstein.
- Finnegan: Premier IP specialty firm with a national footprint and concentrated expertise in patent prosecution and litigation. Directly comparable boutique-to-large IP model.
Market position
Customer concentration
Sunstein social profiles
Digital presenceSunstein financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sunstein leadership team
Management profileNumber of profiles
Sunstein funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sunstein M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sunstein
What does Sunstein do?
Sunstein LLP is an intellectual property law firm that provides legal services in patent, trademark, and copyright matters. The firm focused exclusively on IP law, serving clients in the United States from its Boston office. According to the source, all Sunstein attorneys have joined Merchant & Gould, a national full-service intellectual property law firm.
Is Sunstein a public or private company?
Sunstein is a private company. It is classified as management employee owned and is currently acquired.
When was Sunstein founded?
Sunstein was founded in 2005. It employs 51 to 100 people.
Where is Sunstein based?
Sunstein is headquartered in Boston, United States, in the North America region.
Who are Sunstein's main competitors?
Broad incumbents on record are Mintz, Goodwin Procter, WilmerHale, McCarter & English, Choate Hall & Stewart and Foley Hoag. Direct peers are Fish & Richardson, Merchant & Gould, Wolf, Greenfield & Sacks and Finnegan.
Does Sunstein have an API?
No public API is recorded for Sunstein.
What industry is Sunstein in?
Sunstein's product category is Intellectual Property Law Services. Its primary akta.pro industry code is BPAHAMAB, Trademark Prosecution & Brand Protection. Its NAICS code is 54111 and its SIC code is 8111.