Commercial Litigation Attorney in Chicago
Financial Markets Depth for High-Stakes Business Disputes
De Silva Law Offices brings over two decades of professional experience to commercial litigation for Chicago businesses. Attorney R. Tamara de Silva worked as a floor trader and brokerage executive before practicing law, giving the firm a technical grasp of financial market structures. That depth informs advocacy for trading firms, hedge funds, brokerages, founders, and commercial enterprises facing complex disputes involving financial markets, derivatives, digital assets, corporate law, and regulatory issues.
If your business is facing a commercial dispute in Chicago, contact De Silva Law Offices at (312) 500-8424 to discuss your matter.
Commercial & Business Disputes the Firm Handles
The firm’s litigation practice addresses business conflicts under Illinois and federal law. Depending on the parties and claims involved, these matters may proceed in the Circuit Court of Cook County or federal court.
Practice areas within commercial litigation include:
- Financial Markets Litigation: Disputes involving futures and derivatives, including claims against exchanges and trading platforms
- Trade Secret Misappropriation: Federal claims under the Defend Trade Secrets Act and related state-law causes of action
- Breach of Contract: Commercial agreements, partnership agreements, vendor contracts, and employment-related covenants
- Shareholder & Partnership Disputes: Minority shareholder oppression, LLC member conflicts, and fiduciary duty claims
- White-Collar Defense: Fraud allegations, regulatory violations, and agency investigations
- Arbitrations & Negotiations: Matters involving traders, software developers, and self-regulatory organizations
Why Financial Markets Experience Matters in Commercial Litigation
Before practicing law, R. Tamara de Silva operated inside the financial industry as a floor trader and brokerage executive. That background built a working knowledge of derivatives, swaps, risk-management structures, and brokerage operations. When disputes involve complex financial instruments or trading conduct, the firm can engage directly with the underlying mechanics and technical facts.
The firm served as lead counsel on the first class action involving market manipulation and spoofing in the futures markets brought under Dodd-Frank, and has worked with law firms across the country on pre-indictment and white-collar defense cases tied to the financial markets. That regulatory and market-structure fluency is relevant to cases in which trading practices, financial instruments, or brokerage operations are central to the claims.
The Firm’s Approach to Complex Litigation
Commercial litigation in Illinois can proceed through negotiation, mediation, arbitration, or trial. The right path depends on the contract terms, the nature of the dispute, and the client’s business objectives. De Silva Law Offices builds tailored strategies for each setting rather than defaulting to a single track.
Negotiation gives the parties an opportunity to pursue a business resolution directly. Mediation uses a neutral third party to facilitate settlement discussions, while arbitration places the dispute before an arbitrator when the parties agree to that process or a contract requires it. Litigation proceeds through state or federal court and can include motion practice, discovery, trial, and an appeal.
Regulatory matters follow a different path from private civil disputes and require attention to the authority and procedures of the agency involved. The firm has participated in private civil litigation, regulatory investigations, and arbitrations, and has advocated before the SEC, CFTC, DOJ, FINRA, and the NFA. In cases it takes on, the firm analyzes the record and develops a strategy around the client’s objectives.
Recent Federal Results
In 2025, the firm achieved substantial confidential settlements in two complex federal matters: a class action against one of the world’s largest trading platforms and a Defend Trade Secrets Act dispute.
Federal Court Admissions & Credentials
R. Tamara de Silva is admitted to practice before the U.S. District Court for the Northern District of Illinois, the U.S. Court of Appeals for the Seventh Circuit, and the Supreme Court of the United States. Her admissions also include the U.S. District Courts for the Western District of Wisconsin, Northern District of Indiana, Eastern District of Wisconsin, and Western District of Michigan. The firm is a member of the federal trial bar.
The firm’s federal court experience extends beyond commercial matters to civil rights and constitutional law cases. Clients have included trading groups, brokerages, hedge funds, exchange directors, elected officials, and public figures in high-stakes federal matters.
Chicago’s Commercial Litigation Courts
A business case may proceed in federal court when federal claims or jurisdictional requirements apply. Matters filed in state court can proceed through the Circuit Court of Cook County. Forum selection depends on the parties, pleaded claims, contract provisions, requested relief, and federal jurisdiction requirements.
Cook County’s Law Division includes a Commercial Calendar Section for qualifying commercial disputes. Its matters include pleaded claims involving breach of contract, employment disputes, commercial fraud, conspiracy, interference with business relationships, and shareholder disputes. The Law Division hears civil suits seeking monetary damages exceeding $30,000, while purely equitable actions and matters such as personal injury, divorce, foreclosure, criminal cases, wills, and evictions fall outside the Commercial Calendar’s scope.
Claims involving securities fraud, trade secrets, or business contracts can raise distinct state and federal venue questions. The firm’s trial and appellate admissions support representation when a case proceeds in federal court or reaches the appellate level.
Discuss Your Commercial Dispute With De Silva Law Offices
Chicago businesses facing litigation need counsel who understands both the legal landscape and the commercial realities at stake. De Silva Law Offices is prepared to analyze your matter and develop a strategy suited to your situation and objectives.
Call (312) 500-8424 or reach out through the online contact form at desilvalawoffices.com/contact-us/ to schedule a consultation with a business litigation attorney at De Silva Law Offices.
Who the Firm Represents in Commercial Litigation
The firm represents businesses and individuals facing high-stakes, technically demanding conflicts, including:
- Trading groups, brokerages, hedge funds, brokers, and exchange directors involved in financial markets disputes
- Founders, businesses, and individuals involved in complex commercial conflicts
- Clients pursuing civil rights and constitutional law matters in federal court
Commercial and business litigation encompasses disputes between businesses, between co-owners, and between businesses and third parties, including vendors, customers, and competitors. The firm has also handled arbitrations and negotiations involving traders, software developers, and self-regulatory organizations, bringing the same level of preparation to each setting.
State & Federal Court Admissions
R. Tamara de Silva’s federal admissions and the firm’s membership in the federal trial bar support its work in complex litigation.
Employment Claims Affecting Illinois Businesses
Employment disputes can involve discrimination, harassment, retaliation, wrongful termination, or wage-related allegations. The Illinois Department of Human Rights investigates employment discrimination charges under the Illinois Human Rights Act. Effective January 1, 2025, Illinois extended the filing deadline for most discrimination, harassment, and retaliation charges from 300 days to two years after the alleged violation.
A charge filed with the Equal Employment Opportunity Commission within 300 calendar days of an alleged discriminatory act is deemed filed with the Illinois Department of Human Rights on the same date under the state’s cross-filing provision. Businesses assessing an employment claim should account for the forum, filing deadline, and any related contractual obligations.
Commercial Collections & Judgment Enforcement
Obtaining a judgment doesn’t complete the collection process. A creditor may still need to identify assets, pursue collection procedures, and calculate interest on the unsatisfied portion of the judgment. Illinois judgments generally accrue interest at 9% per year from the date of judgment until satisfied.
The rate differs for consumer debt judgments of $25,000 or less, which accrue interest at 5% per year. That consumer-debt exception should be distinguished from the general rule when evaluating interest on a commercial judgment.
Trademark & Intellectual Property Conflicts
Trademark infringement and other intellectual property conflicts can arise between competitors, former business partners, or companies using similar marks. Illinois registers trademarks and servicemarks through the Secretary of State’s Department of Business Services under the Trademark Registration and Protection Act. A state registration is effective for five years and can be renewed for successive five-year terms.
The Illinois Secretary of State’s trademark office registers marks but doesn’t resolve infringement disputes or competing claims to a mark. Those conflicts are handled in circuit court, while some disputes also present questions under federal trademark law.
Full-Spectrum Litigation Representation
Representation can begin before a complaint is filed. Pre-litigation work may include:
- Strategic assessment
- Demand letters
- Cease-and-desist notices
- Early negotiation
These measures can pursue a resolution before trial and reduce costs for all parties. When arbitration clauses in commercial contracts control the dispute-resolution process, the firm has the experience to enforce or challenge those provisions depending on where the client’s interests lie.
For disputes that proceed to federal regulatory proceedings, De Silva Law Offices has advocated before the SEC, CFTC, DOJ, FINRA, and the NFA. Whether the matter calls for negotiation, arbitration, regulatory defense, or full courtroom litigation, the firm builds a strategy around the client’s specific objectives.
Contact De Silva Law Offices About Your Business Dispute
For businesses and individuals throughout Chicago facing litigation in state or federal court, De Silva Law Offices offers the federal admissions, financial industry background, and litigation track record to handle complex matters effectively.
Call (312) 500-8424 or submit the online contact form to schedule a consultation with a commercial litigation attorney.
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ExperienceWith a robust professional journey spanning over two decades, R Tamara de Silva has fostered an extensive repertoire of legal insights, finely honed strategies, and a profound understanding of intricate legal nuances.
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Proven Track RecordLead counsel on the first class action involving market manipulation and spoofing in the futures markets under Dodd-Frank.
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Specialization
Specialization in the law governing the trading markets, combined with an industry insider’s understanding equal unparalleled expertise.