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Cooper Law LLC was founded in 2004 to provide practical, cost-aware legal guidance to business owners and individuals navigating important transitions. After practicing with firms in both New York and Connecticut, our firm was established to offer a more direct, hands-on approach to legal representation, one where clients work with a single attorney from start to finish.
Our practice focuses on business transactions, ownership transitions, and estate planning. A significant portion of our work involves helping business owners, particularly baby boomers, prepare for and complete the sale of their businesses so they can retire on their own terms. We also support emerging companies and solopreneurs as they raise capital, structure ownership, and address internal issues before they become disputes. On the individual side, Cooper Law LLC provides estate planning services designed for people without significant wealth who still want clear, effective planning that works when it is needed.
We previously maintained an office in downtown New Haven and now operate as a streamlined practice, covering all of Connecticut and New York, allowing for flexibility, efficiency, and consistent client communication.

Attorney Cooper earned his law degree from NYU School of Law in 1991 and has been practicing law for more than three decades. His legal career began in New York, followed by years of practice with firms in New Haven, Hartford and Wilton, CT, before establishing his own firm. This path has given him broad exposure to a wide range of transactional matters and business environments.
His transactional experience includes representing venture capital firms, early-stage companies, banks, borrowers and investors, providing Mr. Cooper with a well-rounded perspective on how deals function from every side. As a solopreneur, Attorney Cooper brings firsthand insights into the challenges business owners face, insights that informs his legal guidance and approach to problem-solving.
Attorney Cooper oversees legal work personally and only relies on paralegals or junior attorneys to control his clients’ costs. He places strong emphasis on the initial client relationship, spending significant time in early conversations to make sure he understands his clients’ goals, risks, and expectations before any engagement begins.
This approach allows him to determine whether there is a good fit and to deliver legal guidance grounded in real-world business considerations rather than abstract legal theory. If he does not believe he can provide services to a potential client, he will refer them to someone who can better provide the services needed.

Education
Academic Grants
Bar Admissions
Federal and Circuit Admissions
Before and during his legal career, Isaiah Cooper has had an extensive career as a musician. He has served as principal trombonist with the Jerusalem Symphony Orchestra in Israel (1985–86), the Friedens Orchester in Stuttgart, Germany (1984–85), and the Santa Monica Symphony (1982–84). He has also performed with the Memphis Symphony and many other orchestras and ensembles across the United States and abroad.
He currently performs as principal trombonist with the Civic Orchestra of New Haven (2023–2026), with The Ron Bonito Big Band, and with the Nu Haven Kapelye (since 2004), a Klezmer group that performs regularly throughout Connecticut and in Springfield, MA; Brooklyn and Manhattan, NY, and has recorded two CDs of Klezmer music.
He has been a member of the board of directors for Jewish Family Services of Greater New Haven since 2023. He is also assisting a high school friend with copyrighting and publishing two albums of primarily original music.
Isaiah is an active member of his synagogue and values long-standing personal and professional relationships.
The Cry of the Wild Wind Chime for Trombone and Guitars writtenand performed by Isaiah D. Cooper and Jeff Green.
This piece was created by Attorney Isaiah Cooper and his friend Jeff Green in the spring of 1986, during the period when Mr. Cooper was the principal trombonist for the Jerusalem Symphony Orchestra in Israel in (1985-86). Mr. Cooper encountered Green by chance on a street in Jerusalem. Both men grew up in Middletown, New York, though Jeff Green is a few years younger than Isaiah Cooper.
Mr. Cooper was raised in an observant Jewish household that kept kosher and regularly attended synagogue on Friday evenings and Saturday mornings and on all of the Jewish holidays. He knew the Shabbat services by heart before learning to read Hebrew, at which point he discovered several words he had been mispronouncing. As a child, Mr. Cooper wore a suit to synagogue, and aside from hand-me-downs, his suits were purchased at Green’s Department Store, owned by Jeff Green’s father.
While growing up, Green was consistently performed as a guitarist in local bands in and around Middletown, NY. Prior to the chance meeting in Jerusalem, Mr. Cooper had been unaware that Jeff Green was attending medical school in Tel Aviv. During their encounter, Jeff described some complex guitar-picking patterns he had been developing, combining patterns for both six-string and twelve-string guitars. However, Jeff did not know how to develop the patterns further. After playing a cassette recording of the patterns for Mr. Cooper, Isaiah told Jeff that he heard/imagined melody in the guitar patterns. immediately heard a melody over it. Jeff lent Isaiah the cassette with the recorded guitar patterns, and Isaiah worked out the melodic lines before they reconvened. After they got together and put the melody together with the guitar patterns, they decided to record it in a studio.
On the recording, Green performs on both six-string and twelve-string guitars, while Cooper plays a 1936 Conn Artist’s Special trombone. The “Cry of the Wild Wind Chime” was recorded by Cooper and Green in a small studio in Ramat Aviv, near Tel Aviv, in the spring of 1986. Isaiah Cooper suggested the name for this piece and Jeff Green approved it.
Jeff Green is a semi-retired emergency room physician who divides his time between Milwaukee, Wisconsin, and Ashdod, Israel, where his adult daughter resides.
Cooper Law LLC
68 Perkins St.
New Haven, CT, 06513
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