All frameworks, methodologies, marks, and vocabulary on this site are the intellectual property of Kevin French and Inversion Systems LLC. This page identifies the protected marks and the scope of their protection.
The following marks are trademarks or pending trademarks of Inversion Systems LLC, a Pennsylvania limited liability company. Use of any of these marks without prior written permission from Inversion Systems LLC is prohibited.
| Mark | Category | Description | Status |
|---|---|---|---|
| Inversion ™ |
Framework / Concept | The third stage of market evolution in which a foundational industry premise reverses polarity. Distinct from disruption, transformation, or modernization. Named and mapped by Kevin French. | Common law trademark |
| Inversion Selling ™ |
Sales Methodology | The B2B sales methodology and revenue operating system created by Kevin French. The first methodology built for the buyer-led era. Includes the MATH system, the six-stage pipeline, and Revenue Physics. | Registered trademark |
| The Inversion Framework ™ |
Framework | The three-stage market evolution framework: Modernization, Transformation, and Inversion. Includes the Law of Zero, the Three-Zone Revenue Portfolio, and the Inversion Flywheel. | Common law trademark |
| Revenue Physics ™ |
Methodology Component | The 14 observable laws of buyer behavior in the post-information-asymmetry era. A component of Inversion Selling. Observable, testable, and repeatable across B2B sales contexts. | Registered trademark |
| The Law of Zero ™ |
Governing Principle | "When execution value approaches zero, judgment value becomes unbounded." The foundational principle underlying every documented market inversion. Named by Kevin French. | Common law trademark |
| The Inversion Flywheel ™ |
Operational Mechanism | The four-stage compounding mechanism: Scan, Advise, Deliver, Prove. Turns every client engagement into a knowledge-generation event that compounds advisory authority over time. | Common law trademark |
| The Zero Zone ™ |
Framework Vocabulary | The commercial position in which a firm's primary revenue is derived from execution-based work priced by effort or headcount. Revenue multiple: 1-2x. | Common law trademark |
| The Momentum Zone ™ |
Framework Vocabulary | The transitional commercial position in which a firm generates productized intelligence at fixed price, independent of hours delivered. Revenue multiple: 2.5-4x. | Common law trademark |
| The Infinite Zone ™ |
Framework Vocabulary | The commercial position in which a firm prices on the quality and consequence of judgment, independent of effort expended. Revenue multiple: 4-8x+. | Common law trademark |
| The Headcount Plateau ™ |
Framework Vocabulary | The structural inflection point at which adding headcount no longer scales revenue. A diagnostic signal that the commercial architecture requires rebuilding, not optimizing. | Common law trademark |
| Commercial Architecture ™ |
Practice / Service | The structural blueprint for how a firm generates, prices, and scales revenue. Kevin French's primary service identity and the name of the Inversion Architecture engagement. | Common law trademark |
| The Inversion Equation ™ |
Methodology Component | Buyer Tension + Seller Restraint = Commercial Velocity. The core equation underlying the Inversion Selling methodology. Governs the mechanics of buyer pursuit in the post-asymmetry era. | Common law trademark |
| The Buying Advisor ™ |
Professional Identity | The professional identity that replaces the traditional salesperson in the buyer-led era. Judgment-present, accountability-bearing, structurally irreplaceable by AI. Introduced in Death by Execution. | Common law trademark |
| Cost of Inaction ™ |
Methodology Component | The annual financial cost to a buyer of not solving their stated problem. Abbreviated COI. The core qualification metric in Inversion Selling. COI ÷ Price must be ≥ 3:1 to advance. | Registered trademark |
| The MATH System ™ |
Methodology Component | The deal qualification framework: Misery, Access, Timeline, Harm. All four dimensions must be active before a deal advances past Stage 03 in the Inversion Selling pipeline. | Common law trademark |
| Inversion Systems ™ |
Company / Operating Entity | The operating entity for all Commercial Architecture engagements, framework development, and Inversion Selling deployments. Kevin French, Founder. Philadelphia, PA. | Common law trademark |
| Hard Reset Publishing ™ |
Publishing Imprint | The publishing DBA of Inversion Systems LLC. Publisher of Death by Execution, The Last Billable Hour, and Inversion Selling. All rights reserved. | Common law trademark |
| The Revenue Lab ™ |
Framework Component | The organizational mechanism for testing new commercial motions without betting the existing business. A defined experimental capacity with separate governance, budget, and reporting cadence. | Common law trademark |
| The Inversion Index ™ |
Diagnostic Tool | The six-dimension scoring model that produces a firm's zone position and quantifies its exposure to market inversion. Scored 6-30 across Revenue Premise Exposure, Information Asymmetry Position, Pricing Architecture, Judgment Capacity, Flywheel Maturity, and Headcount Plateau Signal. | Common law trademark |
| The Inversionist ™ |
Professional Identity | The professional identity of a revenue practitioner who operates according to the principles of Inversion Selling. Characterized by restraint over force, diagnosis over pitch, and buyer-owned urgency over seller-manufactured pressure. | Common law trademark |
The marks listed above identify the source of specific frameworks, methodologies, and intellectual property originating with Kevin French and Inversion Systems LLC. Use of these marks in connection with competing products, services, or publications requires prior written authorization.
Editorial and nominative reference to Kevin French's work - including journalism, academic research, business commentary, and book reviews - is permitted provided the marks are used accurately to identify the source and are not used in a manner that implies endorsement, affiliation, or competing commercial use. The mark must appear with the appropriate ™ or ® designation when used in connection with the relevant category.
The following uses are prohibited without prior written permission from Inversion Systems LLC: use of any mark in connection with a competing product, service, methodology, or publication; modification of any mark; use of any mark as or in a domain name, social media handle, or company name; reproduction of framework content, vocabulary, or structural models without attribution; and any use that implies affiliation with or endorsement by Kevin French or Inversion Systems LLC.
All written content, frameworks, diagrams, vocabulary, and structural models on this site and in any published work by Kevin French are protected by copyright. © 2026 Kevin French / Inversion Systems LLC. All rights reserved.
The three-book series - Death by Execution, The Last Billable Hour, and Inversion Selling - are published by Hard Reset Publishing, a DBA of Inversion Systems LLC. All rights reserved. No portion of any published work may be reproduced, distributed, or transmitted in any form without prior written permission from the publisher.
The Inversion Selling manuscript is currently under review at the University of Houston Sales Excellence Institute. Academic citation of the framework in peer-reviewed research is permitted with full attribution to Kevin French and Inversion Systems LLC.
For licensing inquiries, permission requests, academic citations, or questions about the use of any mark, contact Inversion Systems LLC directly.
Inversion Systems LLC
Kevin French, Founder
Philadelphia, Pennsylvania
kevinfrench.com/contact