The panic in the inventor’s voice was impossible to miss. He walked into our office straight from the airport with his backpack still slung over one shoulder. His deep-tech startup had just finished a demo in Singapore, and a competitor there hinted, very casually, that they were “working on something similar.” 

For any inventor, that sentence alone is enough to ruin a week. It triggered a fear he’d been suppressing for months: what if someone files abroad before he does?

He had filed a patent in India. But global markets? Absolutely out of budget. His question was brutally honest: “How do I protect my invention internationally, without spending the kind of money I clearly don’t have?”

What he didn’t realise, and what most people  slowly learn, is that this exact anxiety is the reason the PCT system exists. The Patent Cooperation Treaty doesn’t give you a global patent, but it gives you something far more valuable in the early stage of a startup: 

• Time:

Most startups assume they must file abroad within twelve months of their domestic/national filing. Under the Paris Convention, that deadline is unforgiving. But twelve months in a startup’s life is nothing. It’s debugging, pivoting, re-drafting claims, re-drafting business models, acquiring your first customer and hoping the prototype doesn’t crash during a demo. Expecting global clarity within that period is unrealistic. 

This is where the PCT changes the game. Instead of forcing startups into rushed decisions, it stretches that timeline from twelve to about thirty months. That extra space often determines whether your international portfolio becomes a strength, or a very expensive regret. And  startups are embracing this reality fast. For example, WIPO’s 2025 report shows that India filed 4,552 PCT applications in 2024, accounting for 1.7% of global filings. Even more in 2022, India recorded a 25.4% surge in PCT filings, the highest growth among the top 20 PCT-filing countries. This isn’t corporate behaviour; this is startup behaviour.

• Information

The real power of the PCT is hidden in what happens after you file it. When our Indian startup received his International Search Report, he discovered prior art from the United States he didn’t even know existed. That single document changed his entire drafting strategy. Instead of stumbling blindly into the USPTO and defending claims at enormous cost, he strengthened them beforehand. The PCT gave him a preview of the fight before stepping into the ring.

• Strategic mindset with indirect legal protection

Investors love clarity and a startup showing  a PCT filing, a favourable Written Opinion and a well-thought-out national phase plan sends a powerful message: We’re not limiting our vision domestically. Many venture funds now specifically ask whether a startup has secured an international priority date. It signals seriousness, scalability, and (most importantly) confidence.

The PCT also quietly protects startups from legal missteps. Most domestic laws prefer the inventors to file for their patents in their domestic country first or obtain permission before filing abroad. Filing a PCT through your own national/domestic Patent Office automatically satisfies this requirement. Many developers who casually file in the foreign country first don’t realise they’re technically breaking  their own domestic laws. The PCT removes that risk entirely.

As the innovation landscape grows, so does the will to compete globally, and the PCT gives that runway. When our Indian inventor finally reached his thirty-month mark, something beautiful happened. The panic that had brought him to our office was gone. He no longer wanted protection in nine countries. He only chose four, because by then, he had market data, investor confidence, customer traction and a strong claim set. His international patent strategy wasn’t shaped by fear anymore. It was shaped by clarity.

Takeaway

This is why most startups are increasingly choosing the PCT route. Not because it is cheaper or easier. But because it aligns perfectly with the chaotic, ambitious, fast-moving, unpredictable way startups grow. It gives startups time to breathe, understand, refine and then act, without burning their entire runway.

For a startup standing at the crossroads of innovation and uncertainty, the PCT is not a filing system. It is peace of mind and a strategy.

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Interested in innovation, technology and IP protection? I have insights into how technology protection works from my years in the field, and I’ll be sharing more in future newsletters.

Connect with me if you’re thinking about IP protection!