Intellectual Property Litigation
ATAC LAW is an experienced Canadian intellectual property litigation firm, with lawyers who carry one dispute through both the Federal Court and the Supreme Court of British Columbia.
That continuity gives you one coordinated strategy across related claims and proceedings. We keep your evidence, factual record and legal position aligned, while focusing on protecting your intellectual property rights and the business interests tied to them.
Defending Patents, Trademarks and Copyrights
ATAC LAW acts on patent, trademark, copyright and trade secret disputes for technology companies, manufacturers and consumer brands in British Columbia, before the Federal Court, the provincial Supreme Court and the Trademarks Opposition Board. The work runs the length of a right’s life, from a cease and desist letter to trial, and the objective is set by the client’s commercial position, from stopping a competitor to defending a claim already brought to reaching a licence that ends the dispute.
A patent claim turns on how a device works, a trademark claim on how consumers perceive two marks, and a copyright claim on whether real similarity exists rather than a shared idea. That factual record has to exist before either forum will hear the legal argument, so our litigators build it early, assembling the correspondence and records that establish who came first, retaining an independent expert on validity, originality or confusion when needed, and applying for an interim injunction before harm compounds.
A trademark claim seldom stands alone, since a passing off claim often travels alongside it, and a trade secret claim just as often rides on a breach of contract. ATAC LAW works the registration, the facts and the agreement into a single strategy, because a claim split across separate files concedes ground it never had to give up. We act for inventors, manufacturers, consumer brands, licensees and licensors, prosecuting claims and defending them in equal measure, established on the register, tested against the facts and enforced in whichever forum serves the client’s business.
Intellectual Property Litigation Services We Provide
ATAC LAW provides intellectual property litigation services to inventors, technology companies, manufacturers, consumer brands, licensees and licensors throughout British Columbia. Our practice covers patent litigation and enforcement, trademark litigation and brand enforcement, copyright infringement and enforcement, trade secrets and confidential information, and enforcement remedies and cross-border protection.
We pursue and defend patent infringement claims in the Federal Court, where nearly all Canadian patent litigation is heard. A patent claim rises or falls on how the invention actually works, not on the wording of the claims alone. We retain the technical experts needed to establish infringement or its absence before the claim construction hearing.
We challenge and defend the validity of patents on grounds of anticipation, obviousness and insufficient disclosure. Using the prior art record and expert evidence on the state of the art, we test whether a patent should have issued at all. That analysis often ends a dispute before an infringement trial is ever needed.
We manage patent litigation through the Federal Court’s specialized rules, including claims construction, discovery of technical documents and expert reports on both sides. We prepare the technical record with the same rigour a patent examiner applied at grant. Our aim is to bring a claim to trial, or to a negotiated resolution, on a record that withstands scrutiny.
We resolve disputes over patent licence royalties, field-of-use restrictions and termination rights. Whether you are the licensor collecting royalties or the licensee defending your right to keep operating under the licence, the agreement’s exact wording usually decides the outcome. Most licence disputes settle once the wording is tested, but we prepare each file to go to trial if it does not.
We pursue and defend claims for infringement of a registered trademark under the Trademarks Act. Confusion between two marks is measured by the impression they leave on an ordinary consumer, not by a side-by-side comparison in a courtroom. We build the survey and market evidence needed to prove or answer that impression convincingly.
We advance and defend claims for passing off, where a business uses a name, logo or trade dress that misleads the public into thinking two businesses are connected. Rights holders reach for this remedy when a mark is not registered, and defendants deserve to have the claim tested rather than assumed. We pursue valid passing off claims and contest the ones that are not.
We oppose confusingly similar trademark applications before the Trademarks Opposition Board and pursue removal of marks abandoned through non-use. Using the filing history and evidence of actual use in the Canadian market, we build the record the Board and the Federal Court require. That record is what separates a mark worth defending from one that should never have registered.
We act for brand owners against the sale of counterfeit goods and represent importers and retailers accused of selling them unknowingly. Counterfeit enforcement can move quickly, including court orders detaining suspect goods at the border before they reach store shelves. We apply for that relief when the evidence supports it and challenge detention orders that reach further than the evidence allows.
We handle claims for reproduction, distribution or public communication of copyrighted work made without authorization. We assess whether copyright actually subsists, who owns it and whether an exception such as fair dealing applies before advising on the merits. Our aim is to recover damages, an accounting of profits or an injunction, whichever remedy matches the harm.
We resolve disputes over ownership and licensing of software code, databases and technical documentation. Whether you are the developer who wrote the code or the company that commissioned it, ownership usually turns on the employment or contractor agreement rather than who typed the keys. Most of these disputes are decided on the contract, but we litigate the ones the contract leaves genuinely open.
We bring online copyright infringement claims across file-sharing sites, marketplaces and social platforms, and respond to notices alleging our own client is the infringer. Using Canada’s notice-and-notice regime and direct claims against the operator or the user, we identify the fastest route to stop ongoing copying. That route is rarely the same twice, which is why we choose it case by case rather than by template.
We defend creators, educators and businesses accused of infringing someone else’s copyright. Fair dealing permits copying for purposes such as research, criticism, news reporting or education, but only within limits the courts assess case by case. We build the factual record that shows the copying served one of those purposes and stayed within a fair scope.
We act on breach of confidence claims where a competitor, a former partner or a departing employee has used confidential information without consent. Using the three-part common law test, whether the information was truly confidential, disclosed under an obligation, and then misused, we assess exposure before advising on next steps. That test is Canada’s substitute for the trade secret statute other countries rely on.
We advise on and litigate disputes that arise when an employee leaves for a competitor. Employers need to stop client lists, source code or pricing strategy from leaving with the employee, and the employee needs clear advice on what they are actually free to take. We enforce restrictive covenants that hold up and contest the ones drafted too broadly to be enforceable.
We enforce and defend non-disclosure agreements once a relationship built on trust breaks down and confidential information moves anyway. Using the agreement’s actual definition of confidential information, rather than what either party assumed it meant, we test whether the disclosure was covered at all. That threshold question decides most of these disputes before damages are ever discussed.
We apply for Anton Piller orders and interim injunctions when evidence of infringement is likely to disappear before a case is heard on its merits. We prepare the sworn evidence and the safeguards Canadian courts require before granting an order that lets a rights holder search premises and preserve evidence without warning. Our aim is relief timed to when the harm is actually happening, not months later.
We act for rights holders seeking court orders that direct border officials to detain imported counterfeit or infringing goods before they reach the Canadian market. Detention orders require security to protect the importer if the goods turn out to be legitimate, so the remedy is not free to seek. We prepare applications that meet that threshold and represent importers whose legitimate goods have been wrongly detained.
We bring and defend domain name disputes under CIRA’s policy for .ca domains and the equivalent ICANN policy for other extensions. Using the trademark registration and evidence of bad faith registration, we build the case for transfer or cancellation of a domain used to divert traffic from a brand owner. That process resolves most domain disputes in months, well ahead of a Federal Court hearing.
We advise brand owners and importers on when grey market goods crossing into Canada can be stopped, and when they cannot. Canadian courts generally treat parallel importation of authentic goods as lawful competition rather than infringement, whichever side of that trade brought us in. We pursue and defend the narrower claims, misrepresentation, altered packaging or a broken distribution agreement, that can succeed where a straightforward infringement claim would not.
Meet the Intellectual Property Litigation Lawyers Behind Our Clients' Success
Mike C. Stewart is a partner at ATAC LAW, a professional engineer, and counsel in construction disputes. He holds the P.Eng. designation in British Columbia and Ontario, and practised as…
View Mike's bioDan H. Griffith is a partner at ATAC LAW and a litigator whose work is conducted in the courtroom, in civil and criminal matters alike, and carried to appeal where…
View Dan's bioJames Un is a Senior Associate Lawyer at ATAC LAW, drawn to the disputes that turn on property, contracts, and money: who owns what, who owed whom, and what the…
View James's bioGurpal is a construction, real estate, and commercial lawyer at ATAC LAW whose practice follows a project across its entire life, from the contracts and site agreements that set it…
View Gurpal's bioRodolfo Assinger is a litigator at ATAC LAW whose civil practice moves fluently across construction, employment, commercial, property, estate, and administrative disputes. He is retained by individuals and business owners,…
View Rodolfo's bioRoy Donghee Kim is a trial lawyer at ATAC LAW and a professional engineer whose practice concentrates where technical judgment comes under legal scrutiny. He acts for engineers and engineering…
View Roy's bioRaymond Jin, an associate at ATAC LAW, conducts a practice concerned with families and their property, and the disposition of both when a relationship or a life ends. Separation, the…
View Raymond's bioLinting Zhang is an associate lawyer at ATAC LAW who is often retained when a single event has produced several legal problems at once. A criminal charge that also unsettles…
View Linting's bioMegan is a associate lawyer at ATAC LAW whose practice centres on resolving disputes in the civil and commercial courts, with particular depth in construction, real estate, and corporate conflicts.…
View Megan's bioSiwei Xu is a civil litigator at ATAC LAW who acts in the disputes that arise when a commercial or personal relationship breaks down, between landlord and tenant, employer and…
View Siwei's bioJames Cain practises construction, commercial, real estate, and corporate law at ATAC LAW, moving between the transactions he helps structure and the disputes that can arise from them. His clients…
View James's bioRaghav is an associate lawyer at ATAC LAW. His practice focuses on civil and commercial litigation, construction disputes, commercial arbitration, regulatory proceedings, and criminal defence. Raghav has extensive advocacy experience…
View Raghav's bioSiqi Wang is an associate lawyer at ATAC LAW whose practice is given to disputes in which the sum at issue, the asset, or the relationship between the parties admits…
View Siqi's bioShuni Zhang is an associate in the Litigation and Dispute Resolution Practice Team at ATAC LAW. Shuni maintains a broad civil and commercial litigation practice, with particular depth in construction,…
View Shuni's bioInsights
What Our Intellectual Property Litigation Clients Say
Frequently Asked Questions
Have another question about patents, trademarks, copyright, or trade secrets? Our intellectual property litigation team is here to help.
Contact Our Team →We handle disputes over patents, trademarks, copyright and confidential information, including infringement claims, invalidity and opposition proceedings, breach of confidence and non-disclosure disputes, and counterfeit and grey market enforcement, before the Federal Court, the Supreme Court of British Columbia and the Trademarks Opposition Board.
Most IP litigation is billed by the hour, since the time needed depends on how much technical or market evidence a case requires and how far the other side pushes it. We give an estimate of likely cost and the key decision points at the outset, and update it as the file develops so a client is never surprised by the next stage’s cost.
Our intellectual property practice focuses on litigation and enforcement: infringement, invalidity, opposition, and breach of confidence disputes. Filing and prosecuting a new patent or trademark application is separate, specialized work usually handled by a registered patent or trademark agent, and we can refer clients to one when a dispute begins with a right that has not yet been registered.
It depends on what the letter actually alleges and what is at stake if you ignore it. Some cease and desist letters overstate a weak position and can be answered directly, while others identify a real infringement risk that needs a considered response before a deadline passes. Reviewing the letter with counsel before you respond costs little and avoids weakening your position later.
Yes. Foreign and out-of-province companies regularly need Canadian counsel when a dispute reaches the Federal Court or a BC business is involved, and we act for clients based elsewhere on matters proceeding in this jurisdiction. We can conduct most of the file remotely and coordinate with a client’s existing counsel in their home jurisdiction where that makes sense.
There is no fixed limitation period written into the Patent Act itself, but section 55.01 caps recovery at six years: no remedy may be awarded for an act of infringement committed more than six years before the action is started. In practice this means older infringing conduct can still support a claim, but the damages available for it shrink the longer a rights holder waits, so acting promptly protects the full value of the claim.
It depends on what the claim actually seeks. Cancelling or invalidating a patent, trademark or copyright registration can only be done in the Federal Court, which has exclusive jurisdiction over that remedy. Most infringement actions, and claims such as passing off or breach of confidence that do not depend on a federal registration, can be brought in either the Federal Court or the Supreme Court of British Columbia, and the choice affects cost, timing and which judges will hear the case.
Generally three years. Section 43.1 of the Copyright Act allows a remedy only if the claim is brought within three years of the infringing act, or within three years of when the copyright owner knew or reasonably should have known about it, whichever applies. Each new infringing copy generally restarts that three-year clock, but waiting to see how much damage accumulates before suing is still a risk not worth taking.
It can be. Canada has no trade secret statute, so these claims are decided under the common law of breach of confidence, which does not require a signed agreement. A claim succeeds where the information was genuinely confidential, was shared in circumstances that created an understanding it would stay that way, and was then used or disclosed without consent, a test the Supreme Court of Canada has applied even between commercial parties negotiating at arm’s length with no formal contract in place.
Yes, in the right circumstances. A rights holder can apply to the court for an order directing border officials to detain suspected counterfeit or otherwise infringing goods before they are released into Canada, and the court can also prohibit future imports once it finds the importation unlawful. These applications generally require the applicant to post security, since the goods may turn out to be legitimate, so we assess the strength of the evidence before filing.
Usually not, on its own. Canadian courts have long held that importing authentic goods obtained legally elsewhere, sometimes called grey market or parallel imports, does not automatically infringe the brand owner’s trademark, because the goods are genuine rather than counterfeit. A brand owner can still have a claim where the importer misrepresents the goods, alters their packaging, or breaches a separate distribution agreement, so the answer turns on the specific facts rather than the import itself.
Submit Your Enquiry
Every intellectual property law matter begins with a conversation. We care about our clients and are invested in their success as much as our own. We are more than legal advisors, we are your partners. Our intellectual property law lawyers provide clear, practical guidance so you can move forward with confidence.
That same straight-talking approach is why all our partners refer their clients to us. If someone you work with needs our expertise, we will take great care of them and keep you in the loop throughout.