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Your Blaine Intellectual Property Attorney
Finding out that someone is using your invention, your name, or your creative work without permission is unsettling. This page explains the federal and Minnesota rules that most often decide how an intellectual property matter from Blaine unfolds. The sections that follow cover what patents, trademarks, copyrights, and trade secrets protect, the filing deadlines, registration, the federal courts for Anoka and Ramsey counties, Minnesota’s own trademark and trade secret rules, and what an infringement claim involves. These rules apply across Minnesota, and an attorney familiar with the District of Minnesota can explain what to expect there.
Your Key Federal and Minnesota Rules in One Place
- Patent claims are filed in federal court only (28 U.S.C. 1338(a)), and the six-year damages limit in 35 U.S.C. 286 makes early action important.
- Trademarks can be registered federally and in Minnesota. The federal register is set up by 15 U.S.C. 1051, and state registration is filed with the Minnesota Secretary of State under Minn. Stat. chapter 333.
- How long does a copyright last? For works created on or after January 1, 1978, the life of the author plus 70 years (17 U.S.C. 302(a)), with different counts for joint works and works made for hire.
- Federal trade secret claims must be brought within 3 years after the misappropriation is discovered or should have been discovered with reasonable diligence (18 U.S.C. 1836(d)).
- Which court? A case from Blaine that belongs in federal court is filed in the District of Minnesota, which holds court in Winona, Mankato, Saint Paul, Minneapolis, Duluth, Fergus Falls, and Bemidji.
The Four Main Areas of Intellectual Property Law
If you have made something new and useful, such as a device, a process, a manufactured article, or a composition, a patent is the tool the statute provides (35 U.S.C. 101). The grant runs from issuance to 20 years after the application was filed (35 U.S.C. 154(a)(2)).
A brand is protected as a trademark when it functions to identify and distinguish goods from those of others and to indicate the source of the goods (15 U.S.C. 1127). The same statute defines a service mark for the source of services.
For creative work, copyright arises in original works of authorship fixed in a tangible medium of expression (17 U.S.C. 102(a)). The limit in 17 U.S.C. 102(b) means the underlying idea or method is not protected even when the way it is expressed is.
Unlike a patent, a trade secret is kept private. The federal definition requires reasonable secrecy measures and independent economic value from not being generally known or readily ascertainable through proper means (18 U.S.C. 1839(3)).
Deadlines for Intellectual Property Claims
Under 17 U.S.C. 507(b), a civil copyright action must be commenced within three years after the claim accrued, and under 17 U.S.C. 411(a) the copyright claim for a United States work must be registered, or registration refused, before that action is instituted.
For a federal trade secret claim, the three years run from discovery of the misappropriation, or from when it should have been discovered by reasonable diligence, and a continuing misappropriation is treated as a single claim (18 U.S.C. 1836(d)).
Patent infringement damages reach back at most six years before the complaint (35 U.S.C. 286), so a suspected infringement is worth reviewing promptly.
Claims under Minnesota law carry their own limitation periods and their own rules for when the clock starts, which are different questions from the federal deadlines in this section. Have the dates checked before relying on any of them.
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What to Do Before a Dispute Starts
Registration on the federal principal register begins with an application and verified statement. The statute allows the owner of a mark used in commerce to apply (15 U.S.C. 1051(a)(1)) and separately a person with a bona fide intention to use (15 U.S.C. 1051(b)(1)).
Federal registration is not the only route. Minnesota’s trademark registration provisions, Minn. Stat. chapter 333, provide for a state filing with the Minnesota Secretary of State that operates separately from the federal register.
Owners of creative work should know that registration is a precondition to suing on a United States work (17 U.S.C. 411(a)), and that the duration for most later works is the life of the author plus 70 years (17 U.S.C. 302(a)).
The application date controls the length of patent protection, which ends 20 years after filing (35 U.S.C. 154(a)(2)), so planning the filing is part of protecting the invention.
The Federal Court for Anoka and Ramsey counties
Under 28 U.S.C. 1338(a), the federal district courts have original jurisdiction over patent, plant variety protection, copyright, and trademark claims, and that jurisdiction is exclusive for patents, plant variety protection, and copyrights. A trademark claim can also be brought in state court.
Minnesota constitutes one federal judicial district, the District of Minnesota (28 U.S.C. 103), so a federal case from Blaine is filed there. The court holds court in Winona, Mankato, Saint Paul, Minneapolis, Duluth, Fergus Falls, and Bemidji. Because Blaine lies in more than one county, it is worth confirming which county the matter falls in.
Minnesota Law Alongside Federal Law
Trade secret claims are not only federal. The Uniform Trade Secrets Act (Minn. Stat. chapter 325C) may apply to the same facts, and the federal statute provides its own civil action when the secret relates to a product or service used in, or intended for use in, interstate or foreign commerce (18 U.S.C. 1836(b)(1)).
Federal trademark law under 15 U.S.C. 1114 and 1125 sits alongside Minnesota’s registration system, which runs through the Minnesota Secretary of State under Minn. Stat. chapter 333. The two operate separately.
Choosing between state and federal claims, or bringing both, is something an attorney should decide after reviewing what happened and what proof exists.
What Kinds of Intellectual Property Cases Come Up?
Patent Claims and Defenses
A patent claim asks whether the accused product or process is covered by the patent and whether the accused party acted without authority. The forms of infringement listed in 35 U.S.C. 271(a) are making, using, offering to sell, selling, and importing.
Damages are limited to infringement within the six years before the complaint (35 U.S.C. 286).
Confusing Similarity and Brand Protection
Brand disputes often involve both a registered mark and one that has never been registered. Registered marks are protected against likely confusion under 15 U.S.C. 1114(1)(a), and 15 U.S.C. 1125(a)(1) covers false designation of origin more broadly.
A state registration in Minnesota (Minn. Stat. chapter 333) is different from federal registration on the principal register (15 U.S.C. 1051).
Copyright Claims
Whether copying is actionable begins with what is protected. Copyright subsists in original works fixed in a tangible medium (17 U.S.C. 102(a)) and does not reach ideas, procedures, processes, systems, or methods of operation (17 U.S.C. 102(b)).
Federal district courts have original jurisdiction over copyright claims (28 U.S.C. 1338(a)).
Disputes Over Trade Secrets
A federal trade secret claim requires a trade secret related to a product or service used in, or intended for use in, interstate or foreign commerce (18 U.S.C. 1836(b)(1)), and the information must meet the definition of a trade secret in 18 U.S.C. 1839(3): reasonable secrecy measures and independent economic value.
The Uniform Trade Secrets Act (Minn. Stat. chapter 325C) may provide state-law claims alongside the federal action, with their own deadlines.
What a Court Can Award or Order
The patent statute provides for damages adequate to compensate for the infringement, not less than a reasonable royalty (35 U.S.C. 284), and for injunctions to prevent the violation of a patent right (35 U.S.C. 283).
A brand owner who establishes a violation may recover the defendant’s profits, damages sustained, and costs (15 U.S.C. 1117(a)), and can ask the court for an injunction to stop the violation (15 U.S.C. 1116(a)), both subject to the principles of equity.
Copyright damages can be measured by the owner’s actual damages and the infringer’s attributable profits (17 U.S.C. 504(b)), or by statutory damages between $750 and $30,000 per work as the court considers just (17 U.S.C. 504(c)(1)).
Registering early matters for remedies as well as for suing: statutory damages and attorney’s fees are barred for infringement that began before registration, except when a published work is registered within three months after first publication (17 U.S.C. 412).
The Defend Trade Secrets Act lists the remedies: an injunction, damages for actual loss and unjust enrichment (or a reasonable royalty), exemplary damages of not more than 2 times the damages for willful and malicious misappropriation, and attorney’s fees in the situations the statute names (18 U.S.C. 1836(b)(3)).
Facing an infringement dispute in Blaine? Find out where your matter stands.
What an Attorney Will Want to See
Before you talk to anyone, list the key dates in order. Copyright and federal trade secret deadlines run from accrual and discovery, and patent damages look back from the complaint, so a clean timeline shows where you stand.
If the issue is a patent, gather technical drawings, descriptions, and any application numbers. If it is a trademark, gather the mark, examples of use, and registration information.
Copyright matters call for the original work, dated versions, registration papers, and side-by-side examples of the copying. Trade secret matters call for a description of the information, a list of who had access, and the confidentiality measures that existed.
Intellectual Property Matters in Blaine and Anoka and Ramsey counties
If you are protecting or defending intellectual property in Blaine, a case that belongs in federal court is filed in the District of Minnesota. An attorney who works in that court regularly can explain how its schedule and practices affect the deadlines above.
If your matter is an injury claim instead of an intellectual property dispute, see our Blaine personal injury page. Related city pages in this region: Lino Lakes, Coon Rapids, and New Brighton. Looking beyond Blaine? Our statewide Minnesota intellectual property page lists every city we cover.
Frequently Asked Questions
How far back can I recover damages for patent infringement?
Six years before the complaint. No recovery may be had for infringement committed more than six years before the filing of the complaint (35 U.S.C. 286).
Can a trademark case be filed in state court?
Yes. The federal district courts have original jurisdiction over trademark claims, and trademark claims may also be brought in state court (28 U.S.C. 1338(a)).
How long do I have to sue for copyright infringement?
A civil action must be commenced within three years after the claim accrued (17 U.S.C. 507(b)).
What if a former employee took confidential information?
That can be a trade secret claim if the information meets the definition in 18 U.S.C. 1839(3), and the federal deadline is three years from discovery (18 U.S.C. 1836(d)). An attorney can review what was taken and what protections were in place.
Which federal court covers Blaine?
The District of Minnesota (28 U.S.C. 103).
Does Minnesota law protect trade secrets?
Yes. Minnesota has the Uniform Trade Secrets Act (Minn. Stat. chapter 325C), and the federal Defend Trade Secrets Act (18 U.S.C. 1836) adds a separate federal action.
What are the main deadlines in intellectual property cases?
Copyright: three years from accrual (17 U.S.C. 507(b)). Federal trade secrets: three years from discovery (18 U.S.C. 1836(d)). Patent damages: no recovery for infringement more than six years before the complaint (35 U.S.C. 286).
How do I keep information as a trade secret?
Take reasonable measures to keep it secret, because that is one of the two elements of the definition (18 U.S.C. 1839(3)), and consult an attorney about what measures are reasonable for your business.
Talk to an Attorney About Your Blaine Matter
The rules on this page are the same statewide, but what they mean for your matter depends on the facts. Use the form to be matched with an attorney who can look at your situation and your dates.

