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.
Claim Construction and Markman Hearings: How Courts Decide What a Patent Actually Covers
Most patent cases are not won at trial. They are won at claim construction, when a judge decides what the words of the patent mean and, in doing so, usually decides whether the accused product infringes and whether the patent survives. This article explains what patent claims are, why judges rather than juries construe them, and how the Supreme Court's decisions in Markman, Teva, and Nautilus set the framework courts still use. It walks through the hierarchy of evidence courts consult, the handful of interpretive moves that decide the overwhelming majority of disputes, and the procedural machinery of a modern Markman proceeding from term exchange through the hearing. It closes with the strategic questions that matter most: which terms to fight over, when a construction is worth an appeal, and what happens to a case after the order issues.
Bringing or Defending a Claim Before the Copyright Claims Board: A Practical Guide
This guide walks claimants and respondents through a Copyright Claims Board proceeding step by step, from deciding whether the Board fits the dispute through filing, compliance review, service, the 60-day opt-out window, the active phase, and the final determination. It explains what to file at each stage, the deadlines set by 17 U.S.C. section 1506 and 37 C.F.R. Parts 220 to 234, the fees, and the decision points where claims are won, lost, or dismissed on technicalities. Separate parts cover the claimant's preparation and service, the respondent's investigation and opt-out decision, the response and counterclaims, standard discovery, written testimony and hearings, the smaller claims track, settlement through the Board, and defaults and failures to prosecute. It then covers reconsideration, the Register's review, challenges in district court, and confirming and collecting an award. A worked example follows a small online retailer from service through settlement, and the guide closes with common mistakes, an FAQ, and practical takeaways.
Prior Art Qualification Checklist: A Practical Checklist
This checklist turns the question "is this reference prior art?" into a sequence of concrete tests that a challenger, a patent owner, a prosecutor, or an inventor can run on any patent, publication, web page, product, use, or sale. It starts by fixing each claim's effective filing date and the governing version of 35 U.S.C. § 102, then classifies the reference and works through the category-specific requirements: public accessibility for printed publications and archived web pages, non-confidential use and readiness for patenting for public uses, and the Pfaff commercial-offer test (secret sales included, after Helsinn) for the on-sale bar. It then covers the experimental use negation, the § 102(b) exceptions and Rule 130 declarations, the pre-AIA rules that still govern older patents, and the content requirements of anticipation, including inherency and enablement. The final phases address proof (authentication, hearsay for dates, corroboration of testimony, and product provenance), forum limits such as the patents-and-printed-publications rule for inter partes review, and the same questions run in reverse by patent owners and as a self-audit by inventors before filing. A one-page qualification record, an FAQ, and practical takeaways close the document.
Doctrine of Equivalents Toolkit: Claim Charts, Estoppel Histories, and Ensnarement Analyses
This toolkit gives litigators and prosecutors working papers for a doctrine of equivalents dispute, ready to copy and adapt. It includes an element-by-element equivalents chart, an estoppel history table, a Festo rebuttal memo, a disclosure-dedication worksheet, an ensnarement and hypothetical claim workup, an expert declaration outline, and a Rule 50 motion. It adds contention language, a summary judgment skeleton, cross-examination questions, jury instructions and a limitation-specific verdict form, and a clause bank for prosecution remarks. Each template states its purpose, owner, and timing, and is followed by drafting notes tied to authority. A single hypothetical runs through the papers so you can see how they connect.
Digital Millennium Copyright Act Safe Harbors for Online Service Providers
The DMCA's four safe harbors in 17 U.S.C. § 512 are the legal scaffolding that lets the user-generated internet exist. When an online service provider qualifies, it is shielded from monetary liability for copyright infringement committed by its users—but only if it meets strict threshold conditions and follows the notice-and-takedown choreography to the letter. This guide walks through all four safe harbors (conduit, caching, hosting, and linking), the gateway requirements every provider must satisfy (a registered agent and a reasonably implemented repeat-infringer policy), and the two knowledge standards—actual and "red flag"—that decide most cases. It covers the leading authorities, from Viacom v. YouTube and Capitol v. Vimeo to the litigation that shattered Cox Communications' safe harbor, and the § 512(f) misrepresentation claim that Lenz v. Universal turned into a real check on abusive takedowns. It closes with practical compliance guidance, an FAQ, and a clear line between § 512 and the very different anti-circumvention rules of § 1201.
Trademark Likelihood-of-Confusion Analysis: A Practical Checklist
Likelihood of confusion is the central question in nearly every trademark infringement dispute, and working it up correctly is a disciplined, factor-by-factor exercise rather than a gut check. This checklist walks you through identifying the controlling circuit's multifactor test, gathering the evidence each factor requires, weighing the factors holistically, and documenting a defensible conclusion—whether you are clearing a new mark, evaluating an enforcement target, or preparing an infringement claim or defense. It covers the Second Circuit's Polaroid factors, the Federal Circuit and TTAB's DuPont factors, and the Ninth Circuit's Sleekcraft factors, plus the recognized variants of confusion and the role of survey evidence. WHY notes and trap flags accompany each phase. Verify current law and any procedural deadlines, which vary by circuit and forum.
Intent-to-Use Trademark Applications: A Practical Guide
An intent-to-use application lets you stake a claim to a trademark before you have sold a single product, reserving nationwide rights as of your filing date while you finish building, branding, and going to market. This guide explains, in plain language for both lawyers and business owners, how the intent-to-use system works and why it is one of the most powerful tools in U.S. trademark practice. It covers the central payoff (a constructive-use priority date that can defeat someone who actually sells first), the bona fide intent requirement and the burden-shifting framework courts use to test it, the full lifecycle from filing through the Notice of Allowance to the Statement of Use, the exact timeline math of extensions, the anti-trafficking assignment bar, and the strategic uses and pitfalls. It closes with a worked launch scenario and concrete practice takeaways.
Provisional Patent Application Checklist: A Practical Checklist
This checklist turns the provisional patent application process into tasks that an inventor, in-house lawyer, or outside practitioner can assign, track, and check off. It is organized in twelve phases, from threshold decisions and disclosure control through ownership, invention capture, drafting, figures and claims, entity status, cover sheet data, filing, the twelve-month management period, and conversion. Each item names the governing statute, rule, or case and adds a short practical note where one helps. Red-flag boxes mark the points where priority, ownership, or foreign rights are most often lost. A deadlines table, a phase for auditing someone else's provisional, a short worked example, and a list of common failure points close the checklist.
Drafting Enforceable Non-Disclosure Agreements for Technology Transactions
Non-disclosure agreements are the most common contract in commercial life and among the most carelessly drafted, so that many protect far less than the parties assume—and some fail outright when a court finally reads them. This guide teaches how to draft NDAs that courts will actually enforce, following a fictional robotics startup as it shares its crown-jewel algorithm with a prospective partner. It works through every major provision—the definition of confidential information, the standard exclusions, the non-use versus non-disclosure distinction, marking, term and survival (with perpetual protection for trade secrets), compelled disclosure, return of materials, remedies and injunctive relief, and choice of law—explaining why each matters and where drafters go wrong. It gives particular attention to the technology industry's hardest problems: protecting source code, the residual-knowledge dilemma, reverse-engineering restrictions, and the often-overlooked DTSA Section 1833(b) whistleblower-immunity notice that can decide whether double damages and attorneys' fees are on the table. The goal is the conceptual framework and practical judgment to build agreements that protect what matters rather than merely appearing to.
Section 112 Patent Review Checklist: A Practical Checklist
This checklist turns Section 112 of the Patent Act into phased tasks for three moments: before an application is filed, before a patent owner asserts a patent, and before an accused infringer commits to an invalidity position. Each task names its authority, including Amgen, Wands, Ariad, Nautilus, Williamson, and the Federal Circuit's decisions through October 2026. It covers classifying the claims, testing scope against disclosure, charting priority, auditing terms of degree, reviewing functional software language, and preserving issues through trial. Red flags mark the facts that have ended recent cases. It is meant to be printed and used at the desk.
Proving Acquired Distinctiveness and Defeating a Genericness Challenge: A Practical Guide
This guide walks step by step through the two fights that decide whether a word or design can be owned: proving that a descriptive term or product design has acquired distinctiveness under Section 2(f), and defeating (or bringing) a challenge that a term is generic. It starts with a one-page map of the statutes, rules, burdens, and leading cases, then moves chronologically through diagnosing the problem and the forum, fixing the genus and the relevant public, building the evidence file, deciding whether and how to run a survey, responding to a USPTO refusal, litigating before the Trademark Trial and Appeal Board, litigating in federal court, and protecting the result afterward. Each step identifies what to file, what the other side will do, and the decision points where cases are won or lost. A table of circuit differences, a cost and timeline chart, and an extended worked example (a medical device company defending QUICKSPLINT from office action through opposition) show how the pieces fit. The guide closes with common mistakes, frequently asked questions, and practical takeaways for owners and challengers alike.
Copyright Notice: Form, Function, and Best Practices
A copyright notice is the familiar little line—© 2026 Acme Corp.—that tells the world who owns a creative work and when it was published. For works published in the United States after March 1, 1989, notice is optional, but for works published before that date it was mandatory, and getting it wrong could throw a work into the public domain. This article explains the three elements of a proper notice, the governing statutes at 17 U.S.C. §§ 401–406, the pre- and post-Berne Convention divide, and the way notice forecloses an innocent-infringement defense to preserve a copyright owner's statutory damages. It covers where notice goes on different kinds of works, how to handle derivative and collective works, the special rule for U.S. Government material, and the most common mistakes. It also covers the special rules for foreign works restored under the Uruguay Round Agreements Act and offers practical, modern best practices for websites, software, video, and merchandise. Whether you are a creator stamping your first photograph, a lawyer chasing the status of a 1970s film, or a judge sorting out whether an old paperback ever had protection at all, this is the working guide to copyright notice.