Patent Drafting: A practical guide for startups and SMEs

September 3, 2025

For startups and SMEs, protecting intellectual property, especially through patents, can be a critical factor in securing competitive advantage. Patent drafting or essentially, articulating your invention, pinpointing the features that you want to protect (those that really give you the edge) can feel like a daunting task, especially for first-time patent filers. The patent application process requires significant resources, and the desired outcome is not always guaranteed.

Drafting a patent application is a critical step in protecting your innovation, and it starts with a thorough understanding and articulation of your invention. Working with a professional patent drafter ensures that you cover your bases on both the legal and technical fronts. A patent attorney or patent agent makes sure your invention is clearly described, legally sound, and strategically positioned, e.g. for enforcement or patent licensing.

Here we outline some practical tips for startups, SMEs, and first-time patent filers preparing to draft a patent application and who are looking to engage a professional patent drafter.

Practical guide for the patent drafting process

1. Understand relevant prior art

Before meeting with a patent drafter, an inventor or patent filer should already have a thorough understanding of potential prior art: existing patents, publications, or products and services that relate or are similar to your invention. Being familiar with prior art can help you anticipate challenges to patentability and further identify novel aspects of your invention.

A patentability search should be standard, as it identifies prior art that can potentially affect the novelty or to some extent, the non-obviousness of your invention.

While professional prior art searches are recommended, having preliminary knowledge allows you to provide context and insights to the patent drafter that can streamline the drafting process and strengthen your patent application.

2. Understand the role of a patent drafting professional

Before diving into the process, it’s important to understand what a professional patent drafter does. Typically, this is a patent attorney or patent agent who transforms your technical ideas into a formal patent application. They craft detailed specifications and claims, advise on patentability and prior art, ensure compliance with filing requirements.

Even as early as the patent drafting process, it will be helpful to start thinking or developing a strategy for enforcement or licensing. Knowing the patent professional’s role helps startups and SMEs engage more effectively and set realistic expectations.

A patent drafter’s role is to help you protect innovation, not to create it. This distinction is key to understanding what patent professionals do and what they don’t.

What does a patent drafter do?

Transform technical concepts into legally sound patent documents
Provide patentability assessment and strategic filing guidance
Advise on application procedures and regulatory compliance

What does a patent drafter not do? (What’s outside their scope?)

Provide R&D services or engineering design for alternative technologies
Conduct market analysis or make business decisions
Independently define or modify the core inventive concept without the inventor’s input

3. Ensure proper documentation

Patent drafters rely on detailed technical information to draft a strong patent. As you develop your R&D or your invention, make sure to document results, contributors. Prepare your materials in advance and organize them clearly. If your company doesn’t have formal IP processes, a drafter may help guide you, but having these basic things in place will save time.

In order to save time and resources, it is advisable to start documenting the following

Technical details of the invention
Invention disclosure forms (See sample)
Lab result, reports
Prototypes
Unpublished papers
Technical drawings, sketches, diagrams
Known prior art

The more complete your information is upfront, the smoother and faster the drafting process will be.

4. Start the engagement with a clear brief

Engaging a patent drafter effectively starts with providing a structured and comprehensive brief. While each engagement varies, you can expect the patent drafter to ask you about the following:

Clear technical description or specifications. Clearly describing the problem your invention solves and highlighting what makes it unique compared to existing solutions is critical.

Future variations or alternative implementations. Including potential variations or alternative embodiments helps the drafter capture the full scope of your innovation, making the patent more defensible in the future.

Key features of your invention. Identify the “must-protect” features that give you competitive advantage.

Commercial goals. Explain how the invention fits your product roadmap and business model. This helps in tailoring claims to real-world use.

Jurisdictions of interest. Indicate the jurisdictions you’re targeting.

A detailed brief allows the drafter to align the application with both your technical and business objectives, resulting in a more robust patent.

Some patent drafters may ask you to fill out an invention disclosure form and you should be prepared to answer some key questions.

What is in an invention disclosure?

Technical descriptions / specifications

What field or technology area does the invention primarily relate to?
What technical problem does your invention address?
What existing solutions or prior art are most closely related?
How does your invention improve upon them?
Are you working on any developments / improvements?
Do you have drawings or diagrams of your invention?
Are there specific notes or explanations for the drawings?

Inventor information

Who are the inventors involved? (You may be asked to list everyone who contributed to the inventive concept.)

Testing, Product Release or Launch Dates

When did the product testing take place?
Has the product been released or offered for sale?

Internal disclosures

When was the invention first disclosed within your organization?
If so, when, to whom, and under what terms? Is there an NDA in place?
To whom was it first disclosed?
Are there notes or any documentation about this internal disclosure?

Public disclosures

Has the invention been disclosed or used publicly?
Have any articles about the invention been published?
Is public disclosure planned in the future?
Are there upcoming trade shows or conferences where the invention might be presented?
Have there been advertisements, press releases, or product announcements?

WIPO provides a patent drafting manual that provides more information on invention disclosures.

5. Collaborate actively during the drafting process

Patent drafting is not a one-and-done process. Startups and SMEs should expect an iterative workflow where the drafter asks questions and seeks clarifications. Reviewing draft specifications and claims carefully and providing timely feedback ensures that the final application accurately reflects your invention. Active discussions may uncover key aspects that are technically or commercially significant.

6. Designate a central point of contact

In cases where there are multiple inventors or teams involved, create a small internal team and assign a single point of contact to coordinate inputs, review, and manage communication with the drafter. This keeps information consistent and avoids duplication of efforts.

7. Consider a strategic filing approach

Startups and SMEs often face budget constraints, making a strategic approach to filing essential. In the U.S., provisional patent applications can offer early-stage protection, while filing in stages or grouping related inventions can optimize cost efficiency.

A patent professional can also provide guidance on the best approach given your company’s stage, resources, and long-term goals.

Early patent protection is crucial for startups and SMEs aiming to secure a competitive edge. Proper documentation, preparation, clear communication with a professional drafter, and an informed filing strategy collectively contribute to a stronger, more enforceable patent.

Ready to draft your patent?

Startups and SMEs that prepare thoroughly and collaborate closely with a professional drafter are better positioned to secure meaningful protection. Use this guide to streamline your process and maximize your patent’s strategic value.

Book a free consultation to explore how our patent drafting services can support your innovation.

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