Intellectual Property Insights
Analysis and practical guides on intellectual property.
446 articles, checklists, and guides on intellectual property law, written by the attorneys at MC Law. Every piece is general information, not legal advice—for a specific matter, contact the firm.
Trademark FAQs: Frequently Asked Questions About Trademarks
A plain-English, consumer-friendly question-and-answer guide to United States trademark law for founders, small businesses, creators, and the merely curious. It explains what a trademark is and is not, whether you need to register, the difference between the TM and circle-R symbols, how long registration takes and what it costs, what a likelihood-of-confusion refusal means, and how to keep a registration alive for as long as you use it. It distinguishes trademarks from copyrights and patents, covers intent-to-use applications, common-law rights, dilution and the fair-use defenses, and international protection through the Madrid Protocol, and demystifies the dreaded Office Action and the Sections 8, 9, and 15 maintenance filings. Throughout, it cites the Lanham Act and leading cases and points to deeper mclaw.io guides so you can go as far down the rabbit hole as your situation requires. This article is general information, not legal advice.
Proving Copyright Infringement: Access, Substantial Similarity, and the Tests Courts Actually Use
A copyright plaintiff must prove two things: ownership of a valid copyright and copying of protectable expression, and the second element splits into copying in fact and unlawful appropriation. This article walks through each element in the order a court takes them, from the originality threshold of Feist and the registration prerequisite of Fourth Estate through access, probative similarity, striking similarity, and the Ninth Circuit's abandonment of the inverse ratio rule in Skidmore v. Led Zeppelin. It then explains the circuit tests for substantial similarity in real detail: the Second Circuit's ordinary observer and more discerning observer tests, the Ninth Circuit's extrinsic and intrinsic tests, and the abstraction-filtration-comparison method courts apply to software. It covers the filters that remove ideas, facts, merger, scenes a faire, and thin compilations from the comparison, and it shows how those filters decided the leading music, literary, visual, and software cases. The article closes with the role of experts and surveys, summary judgment and jury instruction practice, the economics of these cases, strategy for each side, a worked example, and an FAQ.
Section 112 Toolkit: Claim Support Charts, Invalidity Contentions, and Expert Declarations
This toolkit gives prosecutors and litigators working papers for Section 112 of the Patent Act that they can copy and adapt. It includes a claim support chart, a priority chain chart, a Wands factors worksheet, a common quality statement, an algorithm disclosure template with a Section 112(f) parsing worksheet, a machine learning disclosure worksheet, and a term-of-degree audit with a definitions clause bank. For contested matters, it adds office action response language, a Rule 132 declaration shell, pleading and invalidity contention language, discovery requests, an inventor deposition outline, three expert declaration outlines, and JMOL and verdict form language. Each paper states its purpose, owner, and timing, with drafting notes tied to authority current through October 2026. Bracketed placeholders mark what you must supply.
How to Register a Copyright with the U.S. Copyright Office
Copyright protection arises automatically when a work is fixed, but registration is what converts that protection into something an owner can actually enforce. This guide walks creators and their advisers through the complete registration process: confirming ownership, choosing the right application type, preparing a compliant deposit, completing the eCO application without the errors that trigger delays, and timing the filing to preserve statutory damages and attorney's fees. It anchors each step in primary authority, including Fourth Estate v. Wall-Street.com on the registration prerequisite to suit and Unicolors v. H&M on the knowledge required to void a registration for inaccuracy. It covers special situations by work type, complex authorship including works made for hire and joint works, the Copyright Claims Board small-claims tribunal, and the Copyright Office's evolving position on works created with artificial intelligence. Current fees and a pending fee proposal are noted so filers can budget accurately.
Clean Room Toolkit: Protocols, Team Certifications, and Specification Records
This toolkit collects the working documents for a clean-room software development project, each with its purpose, owner, timing, a fill-in template, and drafting commentary tied to the governing authority. It includes a master clean-room protocol, a project charter, an element list worksheet, an exposure interview script, clean-team and dirty-team certifications, a former-employee wall memo, lab notebook and specification entry formats, the gatekeeper review standard and log, a question and answer log, communications rules, AI coding tool rules, test reports, an exposure incident record, a closing certification, and a litigation-ready file index. The templates follow one invented project, a robotics company building a driver compatible with a competitor's motion-controller protocol. The commentary explains why each record matters to proving independent creation and defeating trade secret and contract claims, and where privilege and production decisions should be made. A short FAQ and practical takeaways close the toolkit.
Design Patents vs. Trade Dress: Two Ways to Protect How a Product Looks
A product's appearance can be protected two very different ways: a design patent, which gives a 15-year monopoly on an ornamental look the moment it issues, and trade dress, which protects an appearance that consumers have come to recognize as a brand signal and can last forever. This accessible guide compares the two regimes side by side—what each protects, how rights arise, how long they last, what they cost, how functionality bars each one, how infringement is proven, and what remedies are available. It explains the landmark cases every practitioner should know, including Wal-Mart v. Samara, TrafFix, Qualitex, Two Pesos, Egyptian Goddess, and Samsung v. Apple, and shows how the two regimes can be layered to give a product both early-term and long-term protection. A running sneaker hypothetical ties the doctrine together, and a closing FAQ answers the questions clients ask most. For the deeper case-law treatment of the patent-versus-trade-dress conflict for product configurations, this guide cross-links a companion analysis.
Willful Patent Infringement and Enhanced Damages After Halo: Knowledge, Opinions of Counsel, and Section 298
This article explains how willful patent infringement and enhanced damages work after the Supreme Court's 2016 decision in Halo Electronics v. Pulse Electronics, and how the law reached that point from the mandatory treble damages of 1793, the affirmative duty of care of Underwater Devices, and the objective recklessness test of In re Seagate. It separates the two questions courts now ask, whether the infringement was willful (a jury question about deliberate or intentional infringement) and whether damages should be enhanced (a discretionary judgment for the court, usually guided by the Read factors), and tells the key cases as stories. It covers what counts as knowledge of a patent, including willful blindness, notice letters, and the district court split over knowledge supplied by the complaint itself. It explains what an opinion of counsel still accomplishes, what 35 U.S.C. 298 forbids, and how far privilege waiver reaches when a defendant relies on advice. It closes with the overlap with induced infringement and exceptional-case fees, an extended worked example, common mistakes, an FAQ, and practical takeaways for patent owners and accused infringers.
Trademark Preliminary Injunction Checklist: A Practical Checklist
This desk checklist turns a trademark preliminary injunction into phases that a movant and an opponent can work through under time pressure. Each task names its authority, with practical notes and red flags drawn from reported cases. It covers first-day triage, stopping the delay clock, the merits and harm records, the choice of vehicle, the survey decision, the opposition, bond, order drafting, the hearing, and what follows the ruling. A table collects the time limits that matter. It is built to be printed and marked up.
Trade Secret Misappropriation Litigation Under the Defend Trade Secrets Act: A Practical Guide
Before 2016, a company whose engineer walked out with the source code had to sue in state court under a patchwork of state trade secret statutes, or find a federal hook. The Defend Trade Secrets Act created a federal civil cause of action for misappropriation of trade secrets related to a product or service used in interstate commerce, and with it a federal forum, nationwide service, and an extraordinary ex parte civil seizure remedy. This guide covers the entire life cycle of a DTSA case. It explains what qualifies as a trade secret and why reasonable measures to maintain secrecy is where most cases are actually decided, how misappropriation and improper means are defined, and how the DTSA relates to state law under the Uniform Trade Secrets Act, which it does not preempt. It works through the emergency phase, including temporary restraining orders, expedited discovery, forensic imaging protocols, and the rarely used and frequently misunderstood seizure provision of section 1836(b)(2). It covers the trade secret identification fight, the inevitable disclosure doctrine and its state-by-state divergence, remedies including exemplary damages and attorney fees, the whistleblower immunity of section 1833(b) and the notice requirement that conditions enhanced remedies, and the criminal overlay of the Economic Espionage Act. It closes with strategy for both sides, a worked example, an FAQ, and related reading.
Building a Trade Secret Protection Program Checklist: A Practical Checklist
This checklist walks a company through standing up a trade secret protection program that satisfies the "reasonable measures" requirement at the heart of the Defend Trade Secrets Act (18 U.S.C. §§ 1836-1839) and the Uniform Trade Secrets Act. It is organized into phases: inventorying and classifying confidential information, building physical, technical, and administrative security layers, layering contracts on top of the statutes (including the easily-missed Section 1833(b) whistleblower-immunity notice), training the workforce, and keeping the program alive through audits. Each phase pairs actionable checkboxes with the reasons behind them and the traps that sink trade secret claims. The goal is a documented, defensible record that converts valuable information into a legally protectable asset before anyone tries to take it.
Building a Trade Secret Defense From the First Demand Letter: A Practical Guide
This guide walks an accused company, employee, and their counsel through a trade secret dispute in the order the decisions actually arrive, from the first hour after a demand letter to post-verdict motions. It covers the litigation hold, privileged fact finding, who should represent whom, how to answer the letter, how to force identification of the claimed secret, and how to assemble independent development and public domain evidence. Later steps address pleadings and Rule 11, preliminary injunction oppositions, discovery traps such as attorneys' eyes only limits on your own engineers, summary judgment, trial preservation, and bad-faith fee motions. Each stage names who does the work, the realistic trade-offs, and sample language. Two worked hypotheticals and a common mistakes section show how the steps fit together, and a short section explains how the same dispute looks from the plaintiff's chair.
Building a Generative AI Use Policy That Protects Trade Secrets: A Practical Guide
This guide walks a company's legal, security, and business leads through building a generative AI use policy, step by step, so that it actually protects trade secrets and holds up as evidence of reasonable measures under the Defend Trade Secrets Act and state law. It begins with the threshold decisions (ban or enable, who owns the program, which data and people are in scope) and then covers twelve steps: assembling the team, discovering current AI use, classifying data, reviewing and approving tools, building a tiering matrix, deploying technical controls such as single sign-on, data loss prevention, logging, and agent restrictions, drafting the policy, updating contracts, training and certifying employees, responding to prompt-leakage incidents, auditing, and preparing for litigation. Each step explains what to do, why it matters, the governing authority, common pitfalls, timing, and cost. Separate sections address employees and contractors, counterparties whose information the company holds, and the labor-law and whistleblower limits on confidentiality rules. A timeline and cost table, an extended worked example involving a specialty coatings manufacturer, common mistakes, an FAQ, and takeaways close the guide.