1.3 Why Are Patents Important?
Patents can serve as crucial corporate assets, offering both strategic and financial advantages. For instance, MPEG-4 is a technical standard used in video and audio technologies across a wide range of consumer products, including smartphones and smart televisions. Manufacturers utilizing MPEG-4 technology in their products must obtain a license from the respective patent owners. The resulting licensing fees can generate substantial revenue streams for those holding the patents.
Consider also that a company may initially enjoy a first-to-market advantage, but competitors can swiftly learn to replicate and successfully market the same product. Eventually, at least one competitor will likely find a way to manufacture the product at a lower cost than the original producer. Without strong and valuable patents, the first to market company may soon experience declining revenues as larger or more efficient players enter the market. However, by leveraging its patented technology, the company can restrict competitors from manufacturing the product or, alternatively, earn licensing income that correlates favorably with the profits it could generate through its own sales.
Let us now examine some of the most common patent exploitation models.
Revenue Source
One widely recognized model is that of a sole inventor who patents a key product and subsequently earns royalties by licensing the patent to others and/or building an entire business around that patented invention (for example, Bell and the telephone). Although instances of such singular “blockbuster” patents have become relatively rare, they still occur. Today, it is more common for commercially successful companies with adequate financial and legal resources to enforce their patent rights.
While smaller enterprises can indeed obtain substantial revenue through patent licensing, large corporations often realize significant income from licensing out entire patent portfolios—collections of patents related to a specific product family or technological field.
In general, inventors should maintain realistic and conservative expectations regarding potential income from patent licensing. First, the number of existing patents today is significantly greater than in the past. Consequently, modern inventors and entrepreneurs may face hundreds or even thousands of relevant patents, making it complex to determine whether licensing is required and, if so, from whom. Second, patent litigation can be prohibitively costly, and many patent owners simply cannot afford to enforce their rights against infringers, particularly when unauthorized use spans multiple jurisdictions.
Marketing Benefit
A patent owner may indicate that a particular product is protected by one or more patents. In some jurisdictions, patent laws include specific marking requirements, mandating that patented products be marked with their corresponding patent numbers. These numbers are often engraved, stamped, or otherwise affixed to the product, especially when the product consists of durable materials, to publicly notify others (e.g., potential competitors) that the product is legally protected and cannot be freely copied.
Over time, many companies have discovered that patent marking has additional marketing value, serving as a visible assurance of product authenticity and innovation. Businesses regularly reference their “patented technology” in press releases, product descriptions, and promotional materials to bolster consumer confidence and brand reputation. Furthermore, some corporations choose to highlight details of their patent portfolios in investor communications, emphasizing their technological leadership and intellectual property strength as indicators of long-term competitiveness and value.
Bargaining Chip
Patents can serve purposes that extend well beyond litigation aimed at obtaining injunctions or collecting licensing fees. Many corporations and research institutions strategically employ their patent portfolios to secure competitive or negotiating advantages.
For instance, a patent owner may leverage its own patents to obtain cross-licenses for patents held by competitors that are of particular interest to its business. In some cases, the strength and breadth of a company’s patent portfolio may enable it to persuade a competitor to enter into a cross-licensing agreement, effectively allowing both parties to use each other’s patented technologies freely and eliminating the risk of litigation between them. Such arrangements can also place third-party competitors at a disadvantage, as they would then need to obtain separate licenses from both companies to operate within the same technological domain.
Industry Control or Influence
At its most direct, a patent may be used to seek an injunction against infringement by a competitor that makes, uses, sells, offers for sale, or imports a product or service falling within the scope of the patent claims. Under specific circumstances, such a “blocking patent” can grant its owner significant control over a particular industry segment or product line.
Naturally, most patent claims are not broad enough to encompass all possible products within a given category—for example, a patent covering every type of computer. Claims drafted in overly broad terms typically fail to meet the legal requirements of patentability and, if granted, may be invalidated during litigation or opposition proceedings.
Similarly, a single patent or an entire portfolio may be of such fundamental importance that it becomes essential for implementing a key technical standard. In these scenarios, the patent owner may wield considerable influence across an entire industry. However, such dominance can give rise to potential abuses of market power. To address this, many jurisdictions apply competition law or antitrust regulation to prevent or remedy anti-competitive behavior related to patents that confer excessive control.
Defensive Uses
The expression “defensive patenting” is widely used in connection with patent exploitation and typically carries three distinct meanings.
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Preventive Protection:
In the first sense, patents are used defensively to safeguard a company’s core products or technologies from being copied by competitors. A defensive patent may also serve to create prior art, thereby preventing others from obtaining patents for similar concepts or incremental innovations. -
Litigation Shield:
In the second sense, patents can act as a deterrent or a tool of defense against potential infringement lawsuits from competitors. A strong portfolio can discourage rivals from initiating litigation, given the possibility of counterclaims or cross-assertions. -
Program Weakness:
The third meaning refers to defensive patenting as an indicator of a weak or underfunded patent strategy—one that emphasizes minimal filing activity primarily for protection rather than proactive innovation or monetization.
A strategically defensive patent program, designed to safeguard technological freedom and maintain cross-licensing leverage, often costs no less than an aggressive patenting program that focuses on active enforcement and revenue generation. The distinction lies not in the expense, but in the strategic intent and the overall role the patents play within a company’s innovation and market positioning framework.
2. Legal Requirements for Patentability
This section builds upon the basic principles of patents discussed earlier, offering a more comprehensive overview of the legal framework and requirements that determine patentability.
To qualify for patent protection, an invention must satisfy several distinct legal criteria. These core requirements are generally classified as novelty, inventive step (non-obviousness), and industrial applicability (utility). Additionally, an invention is patentable only if it constitutes eligible subject matter under the applicable national or regional patent law.
Other key legal considerations include adequate disclosure of the invention, particularly the requirement for an enabling disclosure, which allows a person skilled in the art to reproduce the invention based on the information provided in the application. Collectively, these requirements form the foundation of modern patent law.
2.1 Novelty
Principle
The principle of novelty dictates that the claimed invention must not have been “made available to the public” prior to its filing date (or priority date). The determination of novelty is made with respect to the prior art, which encompasses all publicly accessible knowledge relevant to the invention before the filing date.
An invention is considered not novel if every one of its defining features (or elements) is disclosed in a single prior art reference for example, a scientific journal article, a publicly available technical document, or a previously published patent. Conversely, the invention is regarded as novel when there exists at least one distinguishing feature that is present in the claimed invention but absent from any single prior art reference.
Within the context of patent examination, a lack of novelty is commonly referred to as anticipation. If a single prior art document includes all of the features described in a claimed invention, that claim is said to be “anticipated by” the reference, meaning it cannot be patented as originally drafted.
Example
Suppose a prior art reference describes a chair consisting of a seat and four legs, which may be made of either wood or metal. Inventor A subsequently designs a rocking chair with a seat and four legs made of wood, but in the pending patent application, the claims refer only to the seat and four legs, omitting any mention of the rocker attachments.
Question:
Does the prior art reference anticipate Inventor A’s claimed invention?
Answer:
Yes. All elements described in the inventor’s pending claims—namely, the seat and four legs—are disclosed in the prior art reference. Therefore, the reference anticipates the claimed invention. However, if the initial application as filed already includes disclosure of the rocker attachments, the inventor may amend the claims to incorporate those features, thereby distinguishing the invention from the prior art and restoring novelty.
It is important to note that the anticipation test requires that all claimed features must be found in a single prior art reference. A patent examiner cannot combine multiple prior art documents solely to challenge novelty.
However, as will be explained in unit 2.2 (Inventive Step / Non-Obviousness), multiple prior art references may be combined to demonstrate that, although the invention may be new, it is obvious and therefore not patentable.
Example: Application of the Grace Period
Consider the following scenario:
Inventor A, residing in the United States, presents a research paper in Country X on April 30, 2020, publicly disclosing the core aspects of their invention. Upon returning home, they become occupied with other work and only recall the need to file a patent application several months later, in*November 2020. They promptly consult a patent attorney for advice.
Is it too late for Inventor A to obtain patent protection?
In the United States and certain other jurisdictions:
Not necessarily. Many of these countries recognize a one-year grace period, allowing inventors to file a patent application up to one year after any public disclosure made by the inventor. Because less than one year has passed since the April 2020 disclosure, Inventor A’s presentation is considered non-prejudicial, and the invention still satisfies the novelty requirement.
In most European and other stricter jurisdictions:
Yes. Many of these systems do not allow public disclosures by the inventor before filing, or they limit any grace period to a much shorter window (often six months). In those jurisdictions, Inventor A’s public presentation would destroy the novelty of the invention, rendering it unpatentable.
This example highlights why timely filing and awareness of jurisdiction-specific grace-period rules are essential in a global patent strategy.
Generic Concept and Specific Example
The relationship between generic and specific disclosures is another nuanced aspect of novelty determination.
Case 1 - Prior art discloses a specific example within a claimed generic concept:
When a patent claim encompasses a generic concept A, and a prior art reference discloses a specific instance a₁ that falls within that generic concept, the prior art destroys the novelty of the claim.
Example:
If an invention claims “a conductive material,” but an earlier reference discloses “a copper material,” then the claim lacks novelty, as the prior art’s specific disclosure is sufficient to anticipate the broader, generic claim.
Case 2 - Prior art discloses a generic concept that includes the claimed specific example:
When the claimed invention defines a specific sub-concept a₁, and the prior art discloses a broader concept A that encompasses a₁, novelty is not automatically destroyed.
Example:
Suppose the claimed invention defines “a copper material,” while the prior art only discloses “a conductive material.” In this case, the invention may still be considered novel, provided that the claimed copper exhibits a distinctive technical characteristic that sufficiently differentiates it from other members of the broader class, such as aluminum or silver.
For instance, if copper possesses a unique level of electrical conductivity or another property not inherently implied by the generic category “conductive material,” that distinguishing feature may preserve the invention’s novelty.
These examples illustrate how novelty is assessed both temporally (through prior public disclosures) and substantively (through the scope and specificity of the claimed subject matter)
The Secretariat of WIPO assumes no liability or responsibility with regard to the transformation or translation of the original content. World Intellectual Property Organization (WIPO) (2023). WIPO Patent Drafting Manual, Second edition. Geneva: WIPO. DOI: 10.34667/tind.44657