The paper is already published. Is anything left?

What was actually disclosed

Papers are written to communicate a result, not to enable reproduction by a competitor. They routinely omit process parameters, scale-up conditions, catalyst preparation details, calibration procedures and the specific ranges that make a method work in practice.

Anticipation requires the earlier disclosure to contain the claimed subject matter. If the working detail was never published, it may still support claims - narrower than you hoped, but real.

So the first step is a careful, honest read of your own paper against what you actually know.

Which countries still matter

India has no general grace period. Several other jurisdictions do, on different terms and with different time limits.

That turns the question into a commercial one: is protection outside India worth the cost, given that India is lost? Sometimes yes - if manufacturing or the main market is elsewhere. Sometimes no.

Either way, move quickly. Grace periods elsewhere are measured from the publication date and they are already running.

What to actually do

• Read the paper against what you know - the gap may support claims.
• Establish the exact publication date, including any preprint.
• Check grace periods in the countries that actually matter to you.
• Move quickly; any grace period is already running.