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John Gregory Koch

Environmental and natural resources Attorney at Philadelphia, PA

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also known as John G. Koch

  • State Years
    New York - NY 17 years
    New Jersey - NJ 18 years
    Pennsylvania - PA 18 years
  • Licensed for 17 years
    State NY
    Acquired 2006
    Currently Registered No misconduct found
  • Licensed for 18 years
    State NJ
    Acquired 2005
    Active No misconduct found
  • Licensed for 18 years
    State PA
    Acquired 2005
    Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About John

Learn John’s areas of practice.

Practice areas
  1. Environmental and natural resources
    Flaster/Greenberg's environmental attorneyshelp identify practical alternatives to achieve business objectives while complying with legal regulations. We represent a diverse range of clients that includes manufacturers; chemical producers, oil recycling and energy companies; medium and small businesses; financial institutions; and residential, commercial and industrial developers.

  2. Insurance
    Flaster/Greenberg represents corporate and individual policyholders in all facets of insurance coverage law. Our first order of business is to resolve coverage disputes and obtain prompt payment of claims. Often resolution can be achieved without the need for litigation. When litigation becomes necessary, our trial lawyers consistently achieve successful outcomes for our clients.

  3. Commercial real estate

  4. Litigation
    Flaster/Greenberg lawyers efficiently resolve disputes. Whether taking a case to trial, handling alternative dispute resolution or counseling clients to avoid litigation, we achieve their clients’ objectives. Our experienced trial lawyers successfully handle a wide range of business disputes, from complex transactional disputes to civil rights matters to intellectual property litigation.

John G. Koch is a member of the Environmental Law and Litigation Departments at Flaster/Greenberg.


Mr. Koch concentrates his practice in environmental law, including hazardous waste litigation, government enforcement actions, buying and selling industrial or contaminated property, environmental due diligence and assisting clients in complying with state and federal environmental laws and regulations. A substantial aspect of Mr. Koch’s practice involves insurance coverage litigation on behalf of policyholders seeking insurance for various types of claims, including coverage for remediating contaminated industrial property, general third party liability, business interruption and property claims. Mr. Koch also assists clients with business and shareholder disputes, in addition to commercial litigation.


Mr. Koch is accredited as a LEED® Green Associate by the Green Building Certification Institute, the credentialing organization allied with the U.S. Green Building Council (USGBC), and assists clients with contract negotiations involving LEED projects and buildings. As a member of Flaster/Greenberg’s Alternative and Renewable Energy Group, he also represents clients engaged in or considering business ventures in emerging green energy fields such as solar, wind, geothermal, cogeneration, biofuels and biomass.


Mr. Koch has lectured on issues such as joint and several liability under CERCLA, natural resource damages, regulating nano-technology, brownfield development, renewable energy development and contract indemnity clauses.


Mr. Koch has clerked for the United States Environmental Protection Agency, Office of Regional Counsel, in both Region II (New York, NY) and Region III (Philadelphia, PA). There he assisted Regional Counsel with CERCLA enforcement and litigation. He also clerked for the Pennsylvania Department of Environmental Protection, Office of Chief Counsel, Southeast Region Office.

Photos and videos

Sustainability Sypmposum NJ/PA 2011. At left, attorney John G. Koch, from the law firm Flaster/Greenberg, which sponsored the conference, discusses issues with Lori Braunstein, Executive Director, Sustainable Cherry Hill (right).
Sustainability Symposium NJ/PA 2011. (L-R): MItchell Cohen (FG); Frank Riesenburger (FG); John Koch (FG); Brad A. Molotsky, Brandywine Realty Trust; and Rayman Solomon, Dean &Professor of Law, Rutgers School of Law-Camden


Weisbrod Matteis & Copley, PLLC
1650 Market Street
Suite 3600, One Liberty Place
Philadelphia, PA, 19103


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Contact for Details


AVVO RATING 8.4 (Excellent)

Work Experience

  • Legal Extern
  • U.S. Environmental Protection Agency, Office of Regional Counsel - Region I
  • 2005 - 2005
  • Associate
  • Locks Law Firm, PLLC
  • 2005 - 2007
  • Legal Intern
  • U.S. Environmental Protection Agency, Office of Regional Counsel - Region II
  • 2004 - 2004


  • Villanova University School of Law
  • J.D.
  • 2005
  • James Madison University
  • B.A.
  • 2000

Sample of Legal Cases

  • Dalton, et al. v. Shanna Lynn Corporation, et al. (N.J. Super. Ct. App. Div. Apr. 19, 2012)
  • Complete upholding of summary judgment dismissing all claims seeking to compel the client’s fuel distribution company to remediate the plaintiffs’ contaminated property.


  • Delaware Valley Environmental American Inn of Court
  • Chair, Membership Committee
  • N/A
  • Delaware Valley Environmental American Inn of Court
  • Member, Executive Committee
  • N/A
  • Delaware Valley Green Building Council
  • Member
  • N/A
  • New Jersey State Bar Association
  • Member
  • N/A
  • Pennsylvania Bar Association
  • Member
  • N/A
View all associations

Languages Spoken

  • English

Honors and Awards

  • New Jersey "Rising Star"
  • Thomson Reuters, publishers of New Jersey Super Lawyers magazine
  • 2013
  • LEED(R) Green Associate
  • Green Building Certification Institute - the credentialing organization allied with the U.S. Green Building Council (USGBC)
  • 2010


  • Villanova Environmental Law Journal, vol. 16, no. 309
  • Congress, Cave Bugs, Courts and the Commerce Clause: Did the Fifth Circuit Figure Out How to Regulate Intrastate Activity Under the Endangered Species Act?
  • 2005

Speaking Engagements

  • Atlantic Builders Convention
  • Government Incentives for the Development of Solar and Other Forms of Renewable Energy
  • 2010

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Philadelphia Environmental and natural resources Lawyer John Gregory Koch
John Gregory Koch
Environmental and natural resources Attorney
Philadelphia, PA
Licensed for 18 years