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.
Contributory and Vicarious Copyright Liability After Cox v. Sony: Who Pays When Someone Else Infringes
This article explains who can be held liable for another person's copyright infringement now that Cox Communications v. Sony Music Entertainment has limited contributory liability to inducement and services tailored to infringement. It traces the doctrine from Kalem and the dance hall cases through Sony, Napster, Grokster, and the knowledge-plus-material-contribution era that produced a $1 billion verdict. It reads the majority opinion and Justice Sotomayor's concurrence closely and separates what the Court decided from what it left open. It then reports how lower courts applied Cox through early November 2026, including the emerging disagreements over knowledge and over what counts as the tailored service. It explains why vicarious liability, direct infringement, and DMCA section 512 still matter, with sector notes for ISPs, hosts, marketplaces, app stores, payment companies, and AI developers. Rightsholders get a realistic account of what can still be pleaded.
Artificial Intelligence Key Legal Issues: A Comprehensive Overview for Businesses and Legal Professionals
Artificial intelligence has moved from research laboratories into the operational core of businesses across every industry, creating a fast-moving legal landscape that spans intellectual property, products liability, data privacy, employment, antitrust, professional ethics, and regulatory compliance. This guide examines the key legal issues arising from the commercial development and deployment of AI: protecting AI through patents, copyrights, and trade secrets; the unresolved questions of AI inventorship and authorship after Thaler v. Vidal and Thaler v. Perlmutter; the landmark 2025 copyright rulings on AI training data; products-liability frameworks for autonomous systems; biometric and data-protection duties under BIPA, the GDPR, and the EU AI Act; workplace-discrimination risk from AI hiring tools under Title VII and the four-fifths rule; the professional-responsibility duties that ABA Formal Opinion 512 and Mata v. Avianca impose on lawyers using generative AI; antitrust exposure from algorithmic pricing; and the treatment of AI assets in transactions and bankruptcy. It reflects developments through early 2026, including the November 2025 USPTO inventorship guidance, the December 2025 federal executive order targeting state AI laws, and the EU's Digital Omnibus proposal to defer high-risk AI deadlines. It follows a single hypothetical company to make the doctrine concrete and is written for executives, in-house counsel, and outside practitioners alike.
Trade Secret Protection Toolkit: Building and Defending a Confidentiality Program
This toolkit is a high-level roadmap and curated library guide for protecting a company's confidential information as trade secrets and enforcing those rights when they are stolen. It walks the full program life cycle: identifying and inventorying secrets, implementing the "reasonable measures" the law requires, papering relationships with NDAs and invention-assignment agreements, controlling access, managing remote work and cloud risk, disciplined onboarding and offboarding, incident response, and litigation under the federal Defend Trade Secrets Act and state Uniform Trade Secrets Act. At each stage it links the firm's articles and checklists alongside the controlling statutes (DTSA, UTSA, the Economic Espionage Act). It is written for in-house counsel, founders, HR and security leaders, and litigators. Read the roadmap, then follow the links into the operational checklists. The non-compete landscape is unsettled—treat reasonable measures, not non-competes, as the backbone of protection.
Beyond the UDRP: Uniform Rapid Suspension, Country-Code Domain Disputes, In Rem ACPA Actions, and Reverse Domain Name Hijacking
The UDRP resolves most domain disputes, but a meaningful share of real cases fall outside it: a brand squatted under .io or .ai, a .uk or .de registration, an anonymous registrant beyond any court's reach, or a domain investor who has just been branded a cybersquatter and wants the decision undone. This article explains the alternatives in detail. It covers the Uniform Rapid Suspension System and its clear-and-convincing standard, the country-code policies that govern .us, .uk, .ca, .eu, .cn, .au, .de, .io, .co, and .ai, and the in rem action under 15 U.S.C. § 1125(d)(2) that lets a trademark owner sue the domain itself in the Eastern District of Virginia. It then turns to the registrant's side: reverse domain name hijacking findings under UDRP Rule 15(e), the federal cause of action in 15 U.S.C. § 1114(2)(D)(v), and the ten-business-day window that stops a transfer. A decision matrix compares every option on cost, speed, remedy, standard of proof, and appeal, and two worked examples show how the choices play out.
Trademark Fraud Toolkit: Use Audits, Deletion Records, and Pleading Frameworks
This toolkit collects working papers for preventing, correcting, pleading, and defending trademark fraud claims. It includes a filing inventory, a good-by-good use audit worksheet, a class-by-class proof table, a specimen provenance record, a Section 15 proceedings check, signatory instructions and a confirmation form, a vendor diligence sheet, and a deletion decision record. For disputes, it provides TTAB and federal pleading frames for procurement, maintenance, and specimen fraud, an answer and defense bank, a motion-to-dismiss outline, discovery topics for both sides, a signer deposition outline, a demand-response letter, and a show cause response outline. Each template states its purpose, owner, and timing and ends with drafting notes tied to authority. All bracketed text must be replaced with true facts specific to your matter. The law and fees are stated as of 6 November 2026.
USPTO Trademark Classes: A Guide to the Nice Classification
A trademark is not protected for everything under the sun—it is protected for the goods and services you actually sell, and the USPTO sorts all of commerce into 45 standardized buckets called the Nice Classification. This guide explains what those 45 classes are, why two companies can share the identical name in different classes, and how class choices drive the cost, scope, and conflict profile of your registration. It tours all 45 classes in plain language, walks through the USPTO Trademark ID Manual, explains the dramatically reformed 2025 per-class fee structure, and shows how "coordinated" and related classes can sink an application even when the class numbers differ. It also clears up a subtle but crucial point of law—that classification itself is "strictly ministerial" and does not define your rights, even though it drives your fees and your search obligations. Worked examples follow a hypothetical company through real classification decisions. The article closes with common mistakes, a short FAQ, and links to the rest of mclaw.io's trademark library.
Onboarding a Competitor's Employee Without Importing Its Secrets: A Practical Guide
This guide walks a hiring company through a competitor hire in order, from the first recruiter call through the first 90 days of employment, and then through the two moments that decide most disputes: discovering that material came in and receiving a cease-and-desist letter. It assigns tasks to the recruiter, hiring manager, counsel, HR, and IT, and supplies sample language, scripts, and cost trade-offs at each step. It explains what can be asked in an interview, what to tell a recruit before resignation, how to set up machines and roles so old material stays out, and how to quarantine material without destroying evidence. It also takes the former employer's seat, setting out how to evaluate a claim, when the DTSA's three-year clock starts after Insulet v. EOFlow, and how to avoid a bad faith fee award. Common mistakes and two worked hypotheticals show the sequence under pressure.
Managing Discovery in a Trade Secret Case: A Practical Guide
Discovery in a trade secret case runs on a different clock from ordinary commercial litigation: the evidence is at risk in the first days, the plaintiff must describe its secrets before it can probe the defendant's, and every exchange of information risks a second misappropriation. This guide walks through the process step by step, from preservation and pre-suit investigation, through emergency relief and early forensic orders, the protective order, the identification statement, the discovery plan, and the neutral forensic examination, to written discovery, depositions, experts, discovery disputes, and narrowing the case for trial. Each step explains what to file, what to say, which rules and cases govern, and the decision points for both the trade secret owner and the accused employee or competitor. It includes a timeline and budget table, a worked example involving a contract manufacturer accused of using a customer's process, common mistakes, and an FAQ. It is the procedural companion to the cluster's article, checklist, and toolkit.
Online Trademark Enforcement Toolkit: Platform Notices, Test Purchase Records, and Contributory Liability Demands
This toolkit collects the working documents of online trademark enforcement, each introduced by its purpose, its owner, and when to use it, and followed by drafting commentary tied to the governing statutes and cases. The evidence templates come first: a triage worksheet that sorts listings into counterfeit, gray market, altered, and lawfully resold goods, a listing capture log, test purchase instructions for investigators, a test purchase record with a chain-of-custody log, a product examination report, and a declaration form under 28 U.S.C. § 1746. The notice templates follow: listing-level platform notices, an account-level escalation request, and the enforcement notice log that becomes the central exhibit in any contributory infringement dispute. The demand templates include a contributory liability letter to a marketplace or host built on the Inwood and Tiffany v. eBay knowledge standard, variant paragraphs for landlords, payment processors, ad networks, and print-on-demand platforms, a preservation demand, a demand letter to an identified seller, and a keyword advertising letter to a competitor. For the other side of the table, the toolkit provides a seller's appeal, a brand owner's retraction, and an intermediary's response letter with a notice-handling protocol, and it ends with a Schedule A defendant chart, an FAQ, and practical takeaways.
Failure-to-Function Refusal Response Checklist: A Practical Checklist
This checklist turns a USPTO failure-to-function or ornamental refusal into a sequence of specific tasks, from docketing the response deadline to registration, appeal, or a better refiling. It is organized in phases: intake and deadlines, a specimen and drawing audit, classification of the refusal, fact and evidence gathering for each refusal type, strategy and concessions, drafting, filing, and the handling of a final refusal through reconsideration and ex parte appeal. Each item names the governing statute, rule, or case and adds a short practical note. Red-flag boxes mark the points where responses most often fail, including manufactured specimens, material alterations, waived alternative claims, and evidence held back until the record has closed. A deadlines table, a phase for third parties who want to stop a message from registering, a short worked example, and a list of common failure points close the checklist.
Copyright Overview
Copyright is the body of law that protects original works of authorship—books, songs, code, photographs, films, and more—from the instant they are fixed in a tangible medium. This overview is the hub for everything copyright at mclaw.io: it explains what copyright covers and what it pointedly does not (the idea-expression line of Baker v. Selden and the originality floor of Feist), the six exclusive rights, who counts as an author, how long protection lasts, and how rights are transferred and clawed back. It walks through fair use as reshaped by Google v. Oracle and Warhol v. Goldsmith, the registration system and the Supreme Court's Fourth Estate rule, infringement and remedies, the DMCA, and the international picture under the Berne Convention. Worked hypotheticals make the doctrine concrete, and generous cross-links point you to deeper articles on registration, the DMCA, fair use, and more. It is a map of the whole territory, written so a judge, a lawyer, and a curious creator can all follow it.
Proving or Defeating Infringement Under the Doctrine of Equivalents: A Practical Guide
This guide takes both the patent owner and the accused infringer through a doctrine of equivalents dispute from the first read of the file history to appeal. It sets out what each side should do at each stage: pre-suit analysis, pleadings, infringement contentions, discovery, expert reports, pretrial motions on estoppel and the other legal limits, trial, and post-trial motions. Sample language is included for contentions, expert testimony, motions, and verdict forms. Worked hypotheticals show how the same doctrine plays out for a mechanical valve, a software fraud system, and a numeric coating range. A section on common mistakes and a section on prosecution lessons close the guide for those who can still fix the file before it matters.