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Your Bangor Intellectual Property Attorney
A patent, a trademark, a copyright, and a trade secret are four different things with four different sets of rules. For a Bangor business, artist, or inventor, the first step is knowing which one is actually involved, and this page walks through how to tell. The sections that follow cover what patents, trademarks, copyrights, and trade secrets protect, the filing deadlines, registration, the federal courts for Penobscot County, Maine’s own trademark and trade secret rules, and what an infringement claim involves. These rules apply across Maine, and an attorney familiar with the District of Maine can explain what to expect there.
Deadlines and Courts: The Short Version
- Patent term and damages: a patent lasts 20 years from the filing date of the application (35 U.S.C. 154(a)(2)), and no recovery can be had for infringement more than six years before the complaint (35 U.S.C. 286).
- Trademark claims can go to federal or state court (28 U.S.C. 1338(a)), and Maine’s own registration is a separate filing with the Maine Secretary of State.
- Copyright lawsuits have a three-year clock from when the claim accrued (17 U.S.C. 507(b)), and a United States work must be registered before an infringement suit can be filed (17 U.S.C. 411(a)).
- What is a trade secret? Information the owner has taken reasonable measures to keep secret and that derives independent economic value from not being generally known (18 U.S.C. 1839(3)).
- Federal district: for Penobscot County, the District of Maine under 28 U.S.C. 99, holding court in Bangor and Portland.
Which Type of Protection Fits Your Situation
For an invention, the question is whether it fits one of the four categories in 35 U.S.C. 101, and if a patent is granted, it lasts for 20 years measured from the application filing date (35 U.S.C. 154(a)(2)).
A trademark identifies and distinguishes goods and their source. The statute defines it as any word, name, symbol, or device, or any combination, used by a person, or which a person has a bona fide intention to use in commerce and applies to register, to identify and distinguish that person’s goods from those manufactured or sold by others and to indicate the source (15 U.S.C. 1127). A service mark does the same for services.
Copyright protects expression, not ideas. The subject matter is original works of authorship fixed in a tangible medium (17 U.S.C. 102(a)), and protection does not extend to any idea, procedure, process, system, or method of operation, however it is described (17 U.S.C. 102(b)).
Business and technical information such as plans, formulas, and processes qualifies as a trade secret only if the owner has taken reasonable measures to keep it secret and it derives independent economic value from secrecy (18 U.S.C. 1839(3)).
Time Limits That Matter in Patent, Copyright, and Trade Secret Cases
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.
Trade secrets: a federal action under the Defend Trade Secrets Act may not be commenced later than 3 years after the misappropriation is discovered or, with reasonable diligence, should have been discovered, and a continuing misappropriation counts as a single claim (18 U.S.C. 1836(d)).
Six years is the number to know in patent cases: infringement more than six years before the complaint cannot be recovered on (35 U.S.C. 286).
State-law claims, such as a claim under the Uniform Trade Secrets Act (10 M.R.S. 1541 to 1548) or a state trademark claim, have their own rules on limitation periods and on when a claim begins to run. Those are set by Maine statutes and court decisions, so the dates should be checked by an attorney rather than assumed from the federal deadlines.
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Steps That Strengthen a Claim Before It Is Needed
The Lanham Act sets two routes to the principal register: use in commerce (15 U.S.C. 1051(a)(1)) and a bona fide intention to use (15 U.S.C. 1051(b)(1)). Each requires an application, a verified statement, and the prescribed fee.
State registration is a different filing from a federal application. In Maine it is made with the Maine Secretary of State under 10 M.R.S. chapter 301-A, and an attorney can tell you whether a state filing, a federal filing, or both suit your plans.
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)).
For an invention, the patent term of 20 years runs from the date the application was filed (35 U.S.C. 154(a)(2)), so the timing of an application is worth discussing with a patent attorney.
The Federal Court for Penobscot County
Patent, plant variety protection, and copyright claims belong exclusively in federal court: the district courts have original jurisdiction of any civil action arising under an Act of Congress relating to patents, plant variety protection, copyrights, and trademarks, and no state court may hear the patent, plant variety protection, and copyright claims (28 U.S.C. 1338(a)). Trademark claims may also be brought in state court.
Under 28 U.S.C. 99, Maine is one federal judicial district, and Penobscot County is part of it. The District of Maine holds court in Bangor and Portland.
What Maine Law Can Add to Federal Protection
The federal civil action for trade secrets (18 U.S.C. 1836(b)(1)) is filed in federal district court (18 U.S.C. 1836(c)), and a dispute from Bangor may also raise a claim under the Uniform Trade Secrets Act (10 M.R.S. 1541 to 1548). Which claims fit depends on the facts.
Federal trademark law under 15 U.S.C. 1114 and 1125 sits alongside Maine’s registration system, which runs through the Maine Secretary of State under 10 M.R.S. chapter 301-A. The two operate separately.
Whether to plead federal claims, state claims, or both turns on the facts, and an initial conversation with an attorney is the way to sort that out.
What Kinds of Intellectual Property Cases Come Up?
Patent Claims and Defenses
The basic patent infringement rule is in 35 U.S.C. 271(a): without authority, making, using, offering to sell, or selling a patented invention in the United States, or importing one, during the patent term.
The patent term is 20 years from the filing date (35 U.S.C. 154(a)(2)), so a case about an expired patent is limited to past infringement.
Trademark Claims
Even without registration, the Lanham Act allows a civil action against anyone who uses in commerce a word, term, name, symbol, or device likely to cause confusion or deceive about affiliation, connection, or origin (15 U.S.C. 1125(a)(1)), brought by a person who believes he or she is or is likely to be damaged.
Trademark claims may be filed in federal court or in state court (28 U.S.C. 1338(a)).
Copying of Creative Work
A copyright claim starts with an original work of authorship fixed in a tangible medium (17 U.S.C. 102(a)), and it is limited to expression: the idea, procedure, process, system, or method of operation is not protected (17 U.S.C. 102(b)).
Federal district courts have original jurisdiction over copyright claims (28 U.S.C. 1338(a)).
Protecting Confidential Business Information
Trade secret cases often turn on whether the owner took reasonable measures to keep the information secret and whether it has independent economic value from not being generally known, the two elements of 18 U.S.C. 1839(3).
The federal action has a three-year deadline running from discovery, or from when reasonable diligence should have led to discovery (18 U.S.C. 1836(d)).
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).
In trademark cases, courts have the power to enjoin violations (15 U.S.C. 1116(a)), and a plaintiff who establishes a violation may recover profits, damages, and costs, subject to sections 1111 and 1114 and the principles of equity (15 U.S.C. 1117(a)).
Copyright: an infringer is liable for either the copyright owner’s actual damages and any additional profits of the infringer, or statutory damages (17 U.S.C. 504(a)). For statutory damages, the court may award a sum of not less than $750 or more than $30,000 per work as it considers just (17 U.S.C. 504(c)(1)).
Registration timing affects these remedies: no award of statutory damages or attorney’s fees is available for infringement of an unpublished work commenced before the effective date of its registration, or for infringement commenced after first publication and before registration unless registration is made within three months after first publication (17 U.S.C. 412).
Relief under 18 U.S.C. 1836(b)(3) includes an injunction, compensatory damages or a reasonable royalty, exemplary damages of up to 2 times for willful and malicious misappropriation, and reasonable attorney’s fees to the prevailing party when the statute’s conditions are met.
Facing an infringement dispute in Bangor? Find out where your matter stands.
Documents and Dates That Help
Bring a simple chronology. When was the work created, when was it first shared or sold, and when did you first notice the copying or use? Many of the deadlines on this page run from those events.
Inventors should collect drawings, notes, and application numbers, and brand owners should collect the mark, examples of use, and any registration papers, before the first conversation.
For a copyright question, bring the work, dated drafts, any registration papers, and examples of the copying. For a trade secret question, bring a description of the information, who had access, and what confidentiality steps were in place, such as agreements and access controls.
A Note on Bangor and the Federal Court
A matter from Bangor belongs to Penobscot County and, when it is a federal case, to the District of Maine. Local practice, such as how quickly cases are scheduled and how disputes are handled, shapes how the general rules on this page play out.
Injury claims follow different rules, covered on our Bangor personal injury attorney page. People in this part of the state also look to our pages for Brewer, Orono, and Hampden. Our Maine intellectual property hub brings together the state’s rules and every city page in one place.
Frequently Asked Questions
Where is a patent infringement case filed?
In federal district court. The district courts have original jurisdiction of civil actions arising under patent law, and that jurisdiction is exclusive (28 U.S.C. 1338(a)). For Bangor, that is the District of Maine.
What is the difference between federal and Maine trademark registration?
Federal registration is on the principal register through the Patent and Trademark Office (15 U.S.C. 1051). Maine registration is a separate filing made with the Maine Secretary of State under 10 M.R.S. chapter 301-A, and it does not replace the federal one.
What kinds of work does copyright cover?
Original works of authorship fixed in any tangible medium of expression (17 U.S.C. 102(a)), including literary, musical, dramatic, and pictorial works, motion pictures, sound recordings, and architectural works.
Can I sue in federal court over a stolen trade secret?
Yes, if the trade secret is related to a product or service used in, or intended for use in, interstate or foreign commerce (18 U.S.C. 1836(b)(1)). The federal district courts have original jurisdiction of these actions (18 U.S.C. 1836(c)).
Where does the federal court for Bangor hold court?
The District of Maine holds court in Bangor and Portland (28 U.S.C. 99).
Do federal deadlines apply to Maine state-law claims?
Not automatically. Maine state-law claims have their own limitation periods and accrual rules, set by Maine statutes and court decisions, and an attorney should check them.
Why does timing matter in an intellectual property dispute?
Because federal statutes set fixed limits, such as three years for copyright (17 U.S.C. 507(b)) and for federal trade secret claims (18 U.S.C. 1836(d)), and six years of look-back for patent damages (35 U.S.C. 286), waiting can cost rights and money.
Can I protect a logo or slogan?
A word, name, symbol, or device used to identify and distinguish goods or services and indicate their source can be a trademark or service mark (15 U.S.C. 1127).
Take the Next Step in Your Bangor Intellectual Property 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.

