The Inventor's Legal and Commercial Glossary

Patents are only one part of the legal landscape an inventor navigates. From the first NDA to a licensing deal, from forming a company to negotiating with a manufacturer, inventors encounter legal and commercial terms that are rarely explained in plain language. This glossary defines the terms you will encounter in contracts, negotiations, and business documents — in the same direct language used throughout the iInvent Encyclopedia.

Every term below appears in at least one of the iInvent downloadable templates or is referenced in the encyclopedia articles. If you are reading a contract and encounter a term you do not understand, start here.

Contract Fundamentals

Assignment

A transfer of ownership — giving your rights to someone else permanently. When you assign a patent, the assignee becomes the new owner. You no longer own it. Assignment is different from licensing: a licence lets someone use the patent while you retain ownership; an assignment transfers ownership entirely.

In inventor contracts, assignment clauses appear in employment agreements (assigning inventions made during employment to the employer), patent purchase agreements (assigning the patent to a buyer), and university technology transfer agreements (assigning or licensing inventions to the institution). Read assignment clauses carefully — once signed, the transfer is typically irrevocable.

Licence

Permission to use an intellectual property right without transferring ownership. The licensor (IP owner) grants the licensee (user) specific rights — to make, use, sell, or import the patented invention — in exchange for compensation (usually royalties or a lump sum). The licensor retains ownership throughout.

Licences can be exclusive (only one licensee, even the licensor is excluded from practising), sole (one licensee plus the licensor), or non-exclusive (multiple licensees). The type of licence fundamentally affects commercial value — an exclusive licence commands a higher royalty than a non-exclusive one because the licensee faces no competition from other licensees.

Exclusive vs Non-Exclusive

Exclusive licence: Only the licensee can practise the patent in the defined territory and field. Even the patent owner cannot compete with the licensee in that territory. This is the most commercially valuable licence type — and the most restrictive for the patent owner.

Sole licence: The licensee and the patent owner can both practise the patent, but no other licensees will be granted rights. A middle ground that preserves the owner's ability to operate.

Non-exclusive licence: Multiple licensees can be granted rights simultaneously. The patent owner can also practise. This generates the broadest revenue base but gives each licensee the least competitive protection.

Royalty

A recurring payment made by a licensee to a licensor, typically calculated as a percentage of revenue generated from the licensed technology. Royalty rates vary by industry — 2–5% is common for mechanical inventions, 5–10% for consumer products, 10–20% for pharmaceutical compounds, and 15–25% for software licensed by value.

Royalties can be structured as a percentage of net sales, a per-unit fee, a minimum annual royalty (a guaranteed minimum regardless of sales), or a combination. The minimum annual royalty protects the licensor against a licensee who acquires the licence but fails to commercialise.

Lump Sum Payment

A one-time payment for IP rights — either for an assignment (outright purchase) or as part of a licence structure (paid upfront, with or without ongoing royalties). A lump sum provides certainty for both parties but eliminates the licensor's upside if the product exceeds expectations. Many deals combine a modest upfront lump sum with ongoing royalties.

Sublicence

A licence granted by a licensee to a third party. If you licence your patent to Company A, and the licence permits sublicensing, Company A can grant rights to Company B. Sublicensing provisions must be explicitly addressed in the licence agreement — without a sublicensing clause, the licensee generally cannot sublicence. Sublicence revenue is typically shared with the original licensor (often 50/50 or as negotiated).

Field of Use

A restriction in a licence that limits the licensee to a specific application or market. For example, licensing a sensor patent "for use in automotive applications only" — leaving medical, industrial, and consumer applications available for separate licences. Field-of-use restrictions allow a patent owner to maximise revenue by licensing the same patent to different licensees in different markets.

Territory

The geographic scope of a licence or agreement. A licence may cover a single country, a region (Europe, GCC, ASEAN), or the entire world. Territory restrictions allow the patent owner to licence different partners in different markets — a common structure for physical product licensing where different manufacturers serve different regions.

Contract Provisions

Indemnification (Indemnity)

A contractual promise by one party to compensate the other for specified losses. In patent licensing, the licensor typically indemnifies the licensee against claims that the licensed patent infringes a third party's IP — meaning if someone sues the licensee for using the licensed technology, the licensor bears the legal cost and any damages.

In manufacturing agreements, indemnification clauses allocate risk for product defects, IP infringement, and regulatory non-compliance between the inventor and the manufacturer. These clauses are among the most heavily negotiated provisions in any commercial agreement — because they determine who pays when something goes wrong.

Limitation of Liability

A cap on the maximum amount one party can be required to pay the other for breach of contract or other claims. Common formulations include: a fixed monetary cap (e.g. "liability shall not exceed $100,000"), a formula-based cap (e.g. "liability shall not exceed the total fees paid under this agreement in the preceding 12 months"), or exclusion of certain types of damages (e.g. "neither party shall be liable for indirect, consequential, or punitive damages").

Limitation of liability clauses protect both parties from catastrophic exposure. Without one, a breach of a $50,000 contract could theoretically result in millions in claimed damages. Negotiate a cap that reflects the realistic risk profile of the deal.

Representations and Warranties

Representations are statements of fact made by one party to the other at the time of signing — "the licensor represents that it is the sole owner of the patent" or "the manufacturer represents that its facility complies with ISO 9001."

Warranties are promises that certain conditions will remain true over the life of the agreement — "the licensor warrants that the patent will remain in force during the licence term" or "the manufacturer warrants that products will conform to the agreed specifications."

The distinction matters because a breach of representation (the statement was false when made) and a breach of warranty (the promise was broken over time) can trigger different legal remedies. In practice, most contracts bundle them together as "representations and warranties" — but read each one carefully, because you are legally bound by every statement.

Force Majeure

A clause that excuses one or both parties from performing their obligations when an extraordinary event beyond their control makes performance impossible or impractical — war, natural disaster, pandemic, government embargo, or similar events. Force majeure does not excuse poor planning or financial difficulty — only genuinely unforeseeable events.

The COVID-19 pandemic demonstrated the importance of force majeure clauses: manufacturers who could not deliver, licensees who could not sell, and patent holders who missed deadlines all relied on force majeure provisions. Ensure your contracts include a force majeure clause with a clear list of qualifying events and a clear mechanism for notification and resumption.

Governing Law

The legal system that will be used to interpret the contract. "This agreement shall be governed by and construed in accordance with the laws of England and Wales" means English law applies — regardless of where the parties are located. Governing law determines how ambiguous terms are interpreted, what remedies are available, and what procedural rules apply.

Choose governing law deliberately. For contracts with Chinese manufacturers, Chinese law with Chinese arbitration (CIETAC or SHIAC) is often most practical for enforcement. For contracts between Western parties, English law or the law of a US state (often New York or Delaware) is standard. Avoid choosing a governing law that neither party has experience with.

Arbitration vs Litigation

Arbitration is a private dispute resolution process where an independent arbitrator (or panel) hears both sides and issues a binding decision. It is typically faster, cheaper, and more confidential than court litigation. Arbitration decisions are enforceable internationally under the New York Convention (recognised in 170+ countries).

Litigation is resolution through the public court system. It offers broader discovery, jury trials (in some jurisdictions), and the ability to appeal — but it is slower, more expensive, and public.

For international IP agreements, arbitration is almost always preferable — particularly under institutions with IP expertise: WIPO Arbitration and Mediation Center (Geneva), ICC International Court of Arbitration (Paris), LCIA (London), CIETAC (Beijing/Shanghai — essential for China-related contracts), SIAC (Singapore — common for Asia-Pacific), and DIAC (Dubai — relevant for GCC contracts).

Non-Compete (Covenant Not to Compete)

A contractual restriction preventing one party from competing with the other in a defined field, territory, and time period after the agreement ends. In inventor contexts, non-compete clauses appear in patent assignment agreements (the seller agrees not to develop competing technology), co-inventor agreements (partners agree not to pursue competing inventions independently), and employment agreements (the employee agrees not to join a competitor).

Non-compete enforceability varies dramatically by jurisdiction — broadly enforceable in the UK, GCC, and most of Asia; heavily restricted in California (generally unenforceable) and increasingly limited in other US states and EU member states. Draft non-competes narrowly: specific field, limited territory, short duration (1–2 years maximum).

Non-Solicitation

A restriction preventing one party from recruiting the other party's employees or customers. More limited than a non-compete — it does not prevent competition generally, only the specific act of soliciting defined individuals. Non-solicitation clauses are generally more enforceable than non-competes because they are narrower in scope.

Non-Disclosure (Confidentiality)

An obligation not to disclose confidential information received from the other party. NDAs (non-disclosure agreements) are the most common contracts inventors sign — before discussing their invention with anyone. Key provisions include: the definition of what constitutes confidential information, the duration of the obligation (typically 3–5 years, sometimes perpetual for trade secrets), permitted disclosures (to employees, advisors, or as required by law), and remedies for breach.

See the iInvent NDA template for a production-ready agreement with guidance notes.

Severability

A provision stating that if any clause of the agreement is found to be unenforceable, the remaining clauses survive. Without a severability clause, a court finding that one provision is invalid could potentially void the entire agreement. Include it in every contract — it is standard and non-controversial.

Entire Agreement (Integration Clause)

A provision stating that the written agreement represents the complete understanding between the parties — superseding all prior negotiations, emails, conversations, and handshake deals. This prevents either party from later claiming that a verbal promise made during negotiations is part of the deal. If something matters, it must be in the written agreement.

Term and Termination

Term is the duration of the agreement — how long it lasts. Terms can be fixed (5 years), renewable (5 years with automatic renewal unless either party opts out), or perpetual (continues until terminated).

Termination defines how the agreement can be ended before the term expires — typically for material breach (with a cure period), insolvency, or at will with notice. Termination clauses should address what happens to IP rights after termination: does the licence survive? Are manufactured goods still saleable? What about work in progress?

Financial and Corporate Terms

Equity

Ownership shares in a company. When an inventor forms a company around their invention and takes investment, the investors receive equity — a percentage of ownership. The inventor's own equity is diluted as more investors come in. Equity is distinct from IP ownership — the company may own the patent while multiple shareholders own equity in the company.

Dilution

The reduction in an existing shareholder's percentage ownership when new shares are issued — typically during a funding round. If you own 100% of a company and issue shares to an investor who takes 20%, your ownership is diluted to 80%. Your shares may still increase in value (if the investment raises the company's valuation), but your percentage of ownership decreases.

Vesting

A schedule by which equity or rights are earned over time. A common founder vesting schedule is 4 years with a 1-year cliff — meaning no equity vests in the first year, then 25% vests at the 1-year mark, and the remainder vests monthly over the next 3 years. Vesting protects against a co-founder leaving early while retaining a full ownership stake.

Cap Table (Capitalisation Table)

A record of who owns what percentage of a company — including founders, investors, employees with stock options, and any other equity holders. A clean cap table is essential for fundraising, licensing negotiations, and eventual acquisition. IP ownership should be traceable through the cap table — investors will verify that the patent is assigned to the company, not held personally by a founder.

Term Sheet

A non-binding document outlining the key terms of a proposed investment or deal — valuation, investment amount, equity percentage, board seats, liquidation preferences, and IP provisions. The term sheet is a negotiation tool, not a final agreement. It becomes binding only when the definitive agreements (shareholders' agreement, subscription agreement) are signed.

Letter of Intent (LOI)

A document expressing a party's intention to enter into a transaction — used in patent acquisitions, licensing deals, and business partnerships. An LOI is typically non-binding on the commercial terms but may include binding provisions on confidentiality and exclusivity (a period during which the parties agree not to negotiate with others).

Memorandum of Understanding (MOU)

Similar to a letter of intent — a document recording the parties' mutual understanding and intention to proceed. MOUs are common in government and institutional contexts (university technology transfer, government procurement, international partnerships). Like LOIs, MOUs are generally non-binding on substantive terms but may contain binding confidentiality and exclusivity obligations.

Due Diligence

The investigation process conducted before a transaction — investment, acquisition, licensing deal, or partnership. Patent due diligence examines: chain of title (who actually owns the patent), validity (is the patent likely to survive challenge), prosecution history (were claims narrowed significantly), maintenance status (are all fees paid), encumbrances (are there existing licences, liens, or security interests), and freedom to operate (does the patent holder's product infringe other patents).

See the iInvent article on patent due diligence for the complete checklist.

Escrow

A neutral third-party arrangement where assets (money, documents, or IP) are held until specified conditions are met. In patent transactions, escrow is used to hold purchase funds until the patent assignment is recorded, or to hold source code or trade secret documentation accessible to the licensee only if the licensor defaults on obligations.

Product Liability

Legal responsibility for harm caused by a defective product. In most jurisdictions, the manufacturer, distributor, and sometimes the inventor can be held liable for injuries or damage caused by a product they put into the market. Product liability insurance is essential for any inventor selling physical products — and should be addressed in manufacturing and licensing agreements.

Warranty vs Guarantee

In commercial usage, these terms are often used interchangeably — but a legal distinction exists in some jurisdictions. A warranty is a contractual promise about the quality or performance of a product. A guarantee is a broader assurance, sometimes backed by a commitment to repair, replace, or refund. In licensing agreements, the relevant concept is usually the warranty — the licensor warrants that the technology performs as described.

Withholding Tax

A tax deducted at source from cross-border payments — including royalties. When a licensee in one country pays royalties to a licensor in another, the licensee's country may require withholding a percentage (typically 10–30%) and remitting it to the local tax authority. Double tax treaties between countries can reduce or eliminate withholding tax. The iInvent Patent Licence Agreement template includes a withholding tax provision — ensure your licence specifies whether the royalty is gross (before withholding) or net (after withholding, with the licensee bearing the tax burden).

IP-Specific Legal Terms

Work for Hire (Work Made for Hire)

A legal doctrine (primarily US) under which the employer — not the employee or contractor — is automatically the author and owner of creative works produced within the scope of employment. For patent purposes, the equivalent concept is the invention assignment clause in employment agreements — requiring employees to assign inventions made during employment to the employer.

The critical distinction: in most jurisdictions, contractors are not automatically covered by work-for-hire or invention assignment — a separate written IP assignment clause must be included in the contractor agreement before work begins. Without it, the contractor may own the IP they create for you.

Joint Ownership

When two or more parties own a patent together — typically because they are co-inventors. Joint ownership creates complex rights that vary by jurisdiction:

The US rule — each owner can independently licence without accounting to the others — is an outlier and creates serious commercial problems. A co-inventor agreement that defines ownership shares, licensing rights, and revenue sharing is essential. See the iInvent Co-Inventor Agreement template.

Chain of Title

The documented history of ownership of a patent — from the original inventor(s) through every assignment, transfer, and corporate transaction to the current owner. A clean chain of title means every transfer is documented with a recorded assignment. A broken chain of title — a missing assignment, an unsigned transfer, an inventor who was never properly identified — can jeopardise the enforceability of the entire patent.

Investors, acquirers, and licensees all examine chain of title during due diligence. Fix any gaps before entering negotiations.

Encumbrance

A third-party right or claim that affects a patent's value or the owner's ability to use it freely. Common encumbrances include: existing licences (the patent is already licensed to someone else), security interests (the patent is used as collateral for a loan), liens (a creditor has a claim against the patent), and co-ownership (another party owns a share). Encumbrances must be disclosed during patent transactions — a buyer or licensee who discovers an undisclosed encumbrance has grounds for rescission or damages.

Injunction

A court order requiring a party to stop doing something — in patent law, typically an order requiring an infringer to stop making, selling, or importing the infringing product. Injunctions are the most powerful enforcement remedy because they stop the infringing activity entirely, rather than just requiring monetary compensation. Whether an injunction is available depends on the jurisdiction — US courts apply a four-factor test (eBay v. MercExchange, 2006) that makes injunctions harder to obtain for non-practising entities; German courts historically grant injunctions more readily.

Compulsory Licence

A licence granted by a government authority — without the patent owner's consent — allowing a third party to practise the patented invention. Compulsory licensing is permitted under the TRIPS Agreement (Article 31) in specific circumstances: national emergency, public non-commercial use, failure to work the patent locally (in some jurisdictions), or anti-competitive practices.

India, Brazil, and several developing countries have active compulsory licensing frameworks — particularly for pharmaceutical patents. The GCC states have compulsory licensing provisions but have rarely exercised them. The US has government use provisions (28 U.S.C. § 1498) that function similarly.

Technology and Business Terms Often Confused

Pipeline (Business)

The flow of potential customers, purchase orders, or inventory moving through stages toward a transaction. A "sales pipeline" is the sequence of leads, qualified prospects, proposals, and closed deals. A "sponsor pipeline" is the set of institutional, mid-size, and angel sponsors moving through the conversation from initial contact to signed commitment. In business usage, pipeline describes where demand or supply is coming from and how it progresses.

Not to be confused with the technical usage below.

Workflow (Technical)

The sequence of processing steps that a tool, system, or service executes to produce an output. In AI-powered tools, a workflow might include: data retrieval → model inference → verification → formatting → delivery. When a developer says "the AI workflow runs overnight," they mean the automated sequence of technical steps, not a flow of customers or orders.

In some technical communities — particularly AI/ML and software engineering — the word "pipeline" is used interchangeably with workflow (e.g., "data pipeline," "inference pipeline," "CI/CD pipeline"). This is standard engineering language but can create confusion in business contexts where "pipeline" means demand flow. iInvent's internal documents use "workflow" for technical sequences and "pipeline" for business demand flow to avoid ambiguity.

Ecosystem

The entire environment of interconnected resources, relationships, tools, and participants that surrounds a product or platform and gives it value beyond its standalone function. An ecosystem is not a single tool or a single process — it is the network effect of everything working together.

In iInvent's context, the ecosystem includes: the 218-article encyclopedia that educates inventors, the verified lawyer bench that reviews deliverables, the sponsor programme that makes tools accessible, the community that builds trust, the verification layer that ensures quality, and the structured deliverable formats that make outputs professionally usable. An inventor paying for an iInvent tool is not paying for AI — they are paying for the ecosystem that makes the AI output trustworthy, verifiable, and actionable.

The ecosystem is what distinguishes a professional deliverable from a raw AI conversation. A ChatGPT session can answer a patent question; an ecosystem can produce a lawyer-stamped report with institutional source citations, classification-code coverage, and a filing strategy cross-referenced against 31 country guides.

Sources

1. MPEP — Manual of Patent Examining Procedure — Comprehensive US patent law definitions and procedures
2. 35 U.S.C. — US Patent Law — Full text of US patent statutes defining key legal terms
3. European Patent Convention (EPC) — European patent law definitions and framework
4. WIPO IP Overview — International IP terminology and concepts
5. USPTO Patent Basics — General patent terminology and process overview