Practice Areas

The firm's attorneys regularly represent clients in the following areas of practice:


Barker Rosholt & Simpson, LLP uses a comprehensive approach to legal problem solving that relies on the knowledge of the past successes to inform the solutions of the future. Having served industry and many of our clients for decades, we understand the history behind laws and policies that govern natural resource industries throughout Idaho and the Northwest. Our knowledge of past experiences allows us to create innovative solutions to the problems confronting you today.


Boise, ID
1010 W. Jefferson St., Suite 102
Boise, ID 83702
p. 208.336.0700 | f. 208.344.6034

Twin Falls, ID195 River Vista Place, Suite 204 Twin Falls, Idaho 83301-3029 p. 208.733.0700  |  f. 208.735.2444
163 2nd Avenue West
Twin Falls, Idaho 83301-5672
p. 208.733.0700 | f. 208.735.2444

Water Rights

The attorneys of Barker Rosholt & Simpson, LLP have represented many water rights claimants in the Snake River Basin Adjudication, as well as with matters initiated and pursued with the Idaho Department of Water Resources. Our representation extends from the initiation of a claim for a water right, throughout the process of development of the rights, permits and licenses, and also to sales and transfers of water rights.

Environmental (ESA/CWA):

Barker Rosholt & Simpson, LLP represents clients in both state and federal courts and before both state and federal agencies relating to enforcement actions concerning the CERCLA, the Clean Water Act and the Endangered Species Act, NEPA, and their state counterparts. We also advise clients on compliance and regulatory issues under these acts, including NPDES permitting, 303(d), cleanup obligations and consultations with agencies under these acts.


The firm's attorneys have provided advice to mining companies on a wide variety of issues and have represented clients in litigation arising from their mining interests including, among others, environmental litigation and land entry matters.

Public Lands

Barker Rosholt & Simpson, LLP, regularly represents corporations and ranchers in public land use matters relating on grazing, mining and other land use matters, including administrative and judicial proceedings.


The firm's attorneys have a long history of assisting clients with the development of hydropower plants, from the initial application for water rights through Federal Energy Regulatory Commission (“FERC”) licensing, and the eventual construction of a power plant. We regularly assist our hydropower clients with the changing regulatory environment. Additionally the firm assists clients in the FERC relicensing process.


We have extensive experience in review and the drafting of agreements of construction projects. The firm's attorneys are very familiar with the public bidding statutes and requirements, including bid contests, representing both public entities and contractors seeking to do business with public entities. Additionally, the firm has represented numerous clients in arbitration, mediation and litigation arising from construction projects in both state and federal courts.

General Commercial Litigation and Business Consulting

While our firm has developed a practice serving the natural resource and construction litigation needs of our clients, we also provide litigation assistance to our clients in matters arising from insurance coverage advice and litigation on behalf of insureds. We have prosecuted and defended many varieties of commercial litigation, including contractual disputes, antitrust, trademark, employment, and non-compete agreements. We also consult with our clients on a wide array of business matters.

Estate Planning – Wills and Trusts

Barker Rosholt & Simpson has a long history of providing estate planning and probate services.  The firm can provide estate strategies ranging from simple wills and/or trusts to more advanced planning to achieve tax savings or implement unique distributive arrangements.  The firm's probate practice focuses on the efficient and prompt administration of estates.


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