Patent Litigation

Patent Litigation Counsel for Federal Court Disputes

Keyhani LLC represents patent owners and accused infringers in federal district-court patent disputes, from settlement strategy and trial record development through Federal Circuit preservation.

Home ยป Patent Litigation

Patent litigation can affect the value of a technology business, product line, licensing position, or defense strategy. Keyhani LLC represents patent owners and accused infringers in federal patent disputes involving infringement claims, defense strategy, settlement analysis, damages exposure, and Federal Circuit preservation.

Key Takeaways

  • Patent litigation is a federal-court strategy problem. The useful first questions are claim scope, product facts, forum, remedies, evidence, and likely case strength.
  • Both sides need early control of the record. Patent owners and accused infringers make important decisions before pleadings, claim charts, expert reports, or settlement talks harden the dispute.
  • Damages and appeal issues start early. Reasonable royalty, lost profits, willfulness, fee exposure, claim construction, and expert proof should be evaluated before the case is too expensive to redirect.
  • Related proceedings can affect court strategy. Prosecution history, PTAB or IPR activity, licensing records, and prior settlements may influence claim construction, stays, estoppel, damages, or settlement options.
  • Keyhani LLC brings focused federal IP litigation experience. Darius Keyhani has 20+ years of IP litigation experience and 80+ federal cases as lead counsel.

Patent Litigation Counsel for Federal Court Disputes

Patent disputes often move quickly from business conflict to litigation risk. A patent owner may need to stop an infringing product, preserve market share, support a licensing position, or recover damages. An accused infringer may need to answer a demand letter, evaluate non-infringement and invalidity defenses, manage discovery exposure, and reduce willfulness or fee-shifting risk.

Keyhani LLC treats those questions as litigation questions from the beginning. The analysis is not limited to whether a patent exists or whether products look similar. The practical questions are what the asserted claims cover, what evidence can be proved, where the case belongs, what damages theory is realistic, whether early relief is appropriate, and how the record will look if the dispute reaches the Federal Circuit.

What Patent Matters Does Keyhani LLC Handle?

The firm represents patent owners and accused infringers in disputes involving direct, induced, and contributory infringement under 35 U.S.C. section 271, enforcement demands, complaints, defense strategy, settlement value, claim construction, damages, injunction pressure, and appeal preservation. Patent litigation may also connect to licensing disputes, pharmaceutical patent issues, Hatch-Waxman or ANDA timing, biosimilar disputes, technical product records, and prior rights-related communications.

Issue Why it matters Early litigation question
Claim scope Claim language and intrinsic evidence shape infringement, invalidity, and settlement value. What do the asserted claims actually cover?
Accused product facts Technical evidence determines whether the dispute is strong, narrow, overextended, or better suited for resolution. What product documents, testing, source material, or witness knowledge matter?
Damages exposure Reasonable royalty, lost profits, willfulness, and fee exposure can shape settlement value. What damages theory can be supported with evidence?
Appeal preservation The Federal Circuit may review claim construction, expert rulings, damages proof, injunctions, and preserved objections. What needs to be preserved before the record closes?

For Patent Owners and Accused Infringers

A patent owner needs a strategy tied to the asserted claims, accused products, evidence of use, available remedies, business objective, and likely defenses. Before escalation, Keyhani LLC evaluates whether the record supports the requested relief and whether litigation pressure is likely to improve or weaken the owner's position.

An accused business needs a controlled first response. The early record should address product facts, claim scope, non-infringement, invalidity, prior licenses, indemnity, customer impact, and whether a design change, license, stay request, settlement channel, or full defense strategy best serves the business.

Patent litigation focus

Patent cases often intersect with prosecution history, PTAB or IPR activity, licensing records, prior settlements, technical documents, and marketplace pressure. Keyhani LLC evaluates those materials for how they affect district-court strategy, settlement value, claim construction, damages, and appeal issues.

Which Questions Shape the Litigation Strategy?

A patent case is often won or lost through early decisions that seem procedural at the time. The first response, pleadings, forum analysis, claim chart, preservation plan, expert roadmap, and settlement analysis can shape the case that follows.

Claim Scope

Claim language, specification support, prosecution history, prior art, product documents, and technical testimony determine whether the dispute is strong, narrow, overextended, or better suited for early resolution.

Forum and Timetable

Venue, local patent rules, case-management orders, judge-specific practices, and related proceedings affect deadlines, discovery sequence, expert timing, stay strategy, and settlement pressure.

Damages and Appeal Risk

Reasonable-royalty and lost-profits damages under 35 U.S.C. section 284, exceptional-case fee exposure under 35 U.S.C. section 285, apportionment, willfulness, claim construction, expert exclusions, jury instructions, and preserved objections should be considered before trial.

Evidence and Discovery

Product documents, source materials, technical testing, sales data, and third-party records shape both infringement and damages proof, and the discovery sequence can decide how quickly a dispute resolves.

How Does Keyhani LLC Evaluate a Patent Dispute?

Keyhani LLC begins with the facts that will matter in court: who owns the asserted rights, what technology or product is at issue, what evidence exists, what the opposing side is likely to argue, what forum applies, and what result would actually solve the business problem. The firm then connects the legal theory to the immediate response.

For a patent owner, that may mean evaluating claim charts, infringement evidence, venue, damages support, demand strategy, injunctive relief, and whether the dispute should proceed directly to litigation or through a controlled settlement channel. For an accused infringer, it may mean assessing technical non-infringement, invalidity, license defenses, indemnity, product alternatives, customer relationships, discovery burden, and how to respond without creating avoidable admissions.

The approach is senior-lawyer driven. Patent litigation often requires fast judgment on whether a position will withstand expert scrutiny, judicial claim construction, summary judgment, trial, and appeal. Keyhani LLC gives clients direct access to experienced litigation counsel who can separate strategic facts from background noise before the case becomes more expensive to correct.

Early missteps are costly to undo

In patent disputes, an unconsidered demand-letter response, a public statement, an undocumented product change, or unpreserved evidence can affect infringement, willfulness, or damages positions later. The record built in the first weeks often shapes what is provable at trial and on appeal — which is why early, senior-level review matters before a dispute becomes difficult to redirect.

Why Does Federal Circuit Preservation Matter?

Patent litigation has a specialized appellate path. The Federal Circuit has exclusive jurisdiction over many patent appeals from final district-court decisions under 28 U.S.C. section 1295. That matters long before a notice of appeal.

Claim construction, expert rulings, damages proof, injunction orders, summary judgment positions, and trial objections should be framed with potential appellate review in mind. Darius Keyhani is admitted in the District of Columbia, New Jersey, the Federal Circuit, the U.S. Supreme Court bar, the Southern District of New York, the Eastern District of New York, the Western District of New York, and the District of New Jersey.

Related Patent Litigation Paths

Patent matters do not always enter the firm through the same door. A client may need a focused infringement review, a broader patent litigation strategy, a Federal Circuit appeal assessment, or a resolution path tied to a licensing position or a related business dispute.

  • Patent infringement litigation for owners and accused businesses that need a focused infringement analysis, claim chart review, defense strategy, damages analysis, or immediate litigation response.
  • Federal Circuit patent appeals for matters where judgment, claim construction, damages, injunctions, agency decisions, or preserved trial issues may require appellate review.
  • IP disputes and resolution for patent-linked disputes where mediation, arbitration, licensing position, or related commercial resolution may be the better path than open-ended litigation.

Patent Litigation Questions

Can Keyhani LLC represent either side of a patent dispute?

Yes. Keyhani LLC represents patent owners enforcing rights and businesses responding to patent infringement claims, demand letters, complaints, injunction threats, damages allegations, and related settlement pressure.

When should a business contact patent litigation counsel?

Contact counsel when a demand letter, complaint, license threat, marketplace disruption, product-launch concern, competitor assertion, or indemnity issue creates patent litigation risk. Early review helps preserve evidence and avoid response positions that become difficult to unwind.

What should a company gather before a patent litigation review?

Useful materials may include demand letters, complaints, claim charts, asserted patents, accused-product information, technical documents, licensing history, prior correspondence, customer impact, sales data, deadlines, and any related court or agency records.

How do Federal Circuit issues affect district-court patent litigation?

Federal Circuit issues affect claim construction, expert proof, damages, injunctions, jury instructions, summary judgment, and preserved objections. A strong district-court strategy should account for possible appellate review before the record closes.

Discuss Your Patent Litigation Matter

If your business is enforcing patent rights or responding to a patent infringement claim, contact Keyhani LLC to discuss the claims, forum, evidence, damages exposure, and available response.

Schedule a Case Evaluation