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Portland, Oregon Business Litigation Lawyer

Dr. Nick Oberheiden
Attorney Nick OberheidenPortland Business Litigation
Team Lead
envelope iconContact Nick

At Oberheiden P.C., we represent businesses in Portland, Oregon, and throughout the United States in all matters concerning business litigation. When faced with such issues, our team of senior litigators and former high-ranking federal agents will work tirelessly to get you a positive outcome.

Portland address – by appointment only:
1318 NW Northrup Street
Portland, OR 97209

When faced with any kind of litigation, any decision going forward should be well planned. The company should clearly understand everything involved in terms of financial, legal, and practical aspects. It should understand the claim in question, what’s at stake, the risk of exposure, and the defenses available. As a company leader, knowing what to expect is vital, and you need to feel confident you’re making the right choices for your business and its future. What you need is Oberheiden P.C. by your side.

A Reputable National Business Litigation Law Firm

Oberheiden P.C. is one of the most reputable business litigation law firms available. When we represent you, you gain access to a highly qualified litigation team made up of not only senior attorneys but also individuals who have worked as federal agents in various agencies. These professionals work together to investigate, learn, and develop the best strategies for your case. An integrated team means we’re highly efficient and can make critical decisions to safeguard your company’s interests and keep you moving forward.

We’re Experienced in Handling Complex Business Litigation in Both Federal and State Courts

Here at Oberheiden P.C., we handle all types of business litigation issues. These cases may involve disputes between businesses and their owners, executives, vendors, customers, employees, and competitors. We handle cases in both federal and state courts in Portland, throughout Oregon, and throughout the U.S. Our senior lawyers are also experienced in out-of-court settlements and ADR (alternative dispute resolution) proceedings.

Here are some of the matters we can represent you in:

Member, Partner, and Shareholder Disputes

Businesses are prone to conflicts among owners and shareholders. When lawsuits occur, they may interrupt a company’s operations and have potentially negative effects on its finances. If the conflict between your company’s owners has reached a deadlock, a solution that protects the business needs to be found as fast as possible. Depending on the specific circumstances, resolutions may range from mediating to arranging a buyout. It can also mean exercising rights as stipulated in the partnership agreement to taking the case to court.

Since business lawsuits are uniquely challenging and risky, they call for a well-defined and planned approach to get a favorable outcome. In some scenarios, taking the case to trial may be the wisest decision; however, a mutual agreement between the parties involved is often best. The specific circumstances involved will determine the best course of action.

Contract Breaches

A wide range of scenarios may cause contract breaches in a company. The issues involved may also be greatly varied. If you’re facing a contract dispute with various individuals such as employees, executives, shareholders, licensees, suppliers, customers, and vendors, we can represent and fight for you to ensure your rights are protected. Contract breach cases we can handle include the following:

  • Confidentiality breaches: Confidentiality breaches can have both short-term and long-term consequences. When faced with such an issue, you should respond as fast as possible to recover and prevent further damage.
  • Performance obligation and payment breaches: These kinds of disputes can emerge from a variety of causes. They may come from contract interpretation disagreements, financial inability, etc. Nonetheless, swift legal action is required.
  • Indemnification obligations, representations, and warranty breaches: Indemnification obligations, representations, and warranties are potentially risky in different commercial contracts. Our law firm can help you enforce these clauses in various circumstances. And if a clause has been enforced against you, we can also help you challenge it.
  • Non-solicitation and noncompetition covenant breaches: These breaches can bring considerable financial losses to a company. Our law firm has senior attorneys experienced in handling these kinds of contract disputes under Oregon laws and laws in other states.
  • Service-level agreement (SLA), license, and other key term breaches: Failure to comply with SLAs, violation of licenses, and other problems can cause major losses. If such disputes occur, contact us to help safeguard your rights in the contract.

Intellectual Property (IP) Misappropriation and Infringement

Disputes involving intellectual properties are incredibly risky, and no party may be willing to change their position. As the IP owner, you can come to us to protect your rights. Our attorneys can confidently handle cases involving trade secrets, trade dress, patents, copyrights, trademarks, service marks, and proprietary information.

Privacy and Corporate Espionage

Cases involving corporate espionage and loss of privacy have become very common over the past several years. We have an experienced team ready to help if you face such problems. While representing the federal government, our senior lawyers and former federal agents investigated and litigated many cases involving privacy issues and corporate espionage before coming to private practice. We have also represented private parties and achieved key early victories in numerous cases through pre-trial motions for injunctions and other solutions.

Business Fraud

There are many different fraudulent activities involving businesses. If your company is facing a fraud case, we can represent you. It doesn’t matter whether you’re facing insurance fraud, mortgage fraud, bank fraud, or fraudulent inducement claims, we have a highly qualified team available to fight and ensure a favorable outcome for you.

In cases related to business fraud, our attorneys’ experience in past federal law enforcement matters comes in handy. Even though federal enforcement and private civil litigation are different in terms of proceedings, they have similar legal principles. Here at Oberheiden P.C., we can offer strategic advice based on our experience and the high-risk matters we’ve handled in the past. Whether your company needs to litigate and safeguard its interests, or an individual is facing a personal fraud accusation, we can act fast to get a favorable outcome within the shortest time possible.

Wrongful Interference

Tortious/wrongful interference is another area that tends to be complex because of all the aspects involved. Therefore, getting favorable results calls for a thorough case examination and the development of strategic approaches. This is one of our areas of expertise here at Oberheiden, and we can assist. We have litigated numerous tortious interference cases in the past and emerged victorious. We can use this experience to guide your business’s leadership and in-house legal team on how to proceed.

Employment Litigation

We also represent companies in matters concerning employment litigation. Our attorneys can confidently handle court trials as well as proceedings before agencies such as the Equal Employment Opportunity Commission (EEOC) and the Oregon Bureau of Labor & Industries (BOLI). We can represent you in matters concerning claims such as wrongful termination and equal pay, wage disputes, employment contract disputes, and intellectual property disputes.

Securities and Antitrust Litigation

Litigations concerning antitrust between companies and their competitors are complicated and high-risk. Securities litigation is no different, and it often involves a combination of common-law and statutory issues under federal and state laws. However, even though litigation concerning antitrust and securities is complex, it’s an area in which our team excels. Our unique backgrounds as attorneys and consultants make us a perfect source for advice in these matters. We’re highly capable and have the needed resources to handle complex litigations efficiently.

Mergers and Acquisitions (M&A) Litigation

Mergers and acquisitions disputes can emerge from a wide variety of situations, and when they do, an effective solution will be needed. Whether the disputes are pre-closing or post-closing, we can handle them in Oregon and throughout the United States. When you hire us, we’ll work with you step by step to determine your priorities and develop approaches that serve your company’s future business objectives.

Just like in other types of disputes, an amicable solution is the most desirable option in pre-closing mergers and acquisitions disputes. In these situations, our attorneys and consultants work tirelessly to explore all potential opportunities to secure leverage and propose quality solutions that will ensure our clients’ interests and priorities are safeguarded for closing.

Put our highly experienced team on your side

Dr. Nick Oberheiden
Dr. Nick Oberheiden



Lynette S. Byrd
Lynette S. Byrd

Former DOJ Trial Attorney


Brian J. Kuester
Brian J. Kuester

Former U.S. Attorney

Amanda Marshall
Amanda Marshall

Former U.S. Attorney

Local Counsel

Joe Brown
Joe Brown

Former U.S. Attorney

Local Counsel

John W. Sellers
John W. Sellers

Former Senior DOJ Trial Attorney

Linda Julin McNamara
Linda Julin McNamara

Federal Appeals Attorney

Aaron L. Wiley
Aaron L. Wiley

Former DOJ attorney

Local Counsel

Roger Bach
Roger Bach

Former Special Agent (DOJ)

Chris Quick
Chris J. Quick

Former Special Agent (FBI & IRS-CI)

Michael S. Koslow
Michael S. Koslow

Former Supervisory Special Agent (DOD-OIG)

Ray Yuen
Ray Yuen

Former Supervisory Special Agent (FBI)

We Offer Emergency Litigation Services

Since some issues arise unexpectedly, we provide emergency litigation services to get your company out of a crisis and prevent further damage. Whether you’re the defendant or plaintiff, we can handle your emergency situation by acting fast to get suitable temporary and provisional relief in Oregon’s federal and state courts. If you have a case that requires immediate and swift action, contact Oberheiden P.C. and gain access to a team that understands urgency.

Oberheiden P.C. Business Litigation — Contact Us Today!

Are you in Portland, Oregon, and need exceptional legal representation or advice? Contact us today and speak confidently to a member of our highly qualified team. You can call us at 888-680-1745 to discuss your case. You can also schedule an appointment online now.
Licensed to practice in the U.S. District Court of Oregon. Firm does not handle state cases in Oregon.

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