PCT Filing Services – Protect Your Innovation Worldwide

Why Choose the PCT Route?

  • Global Reach: One international application covers 150+ countries.
  • Cost Management: Delay national phase expenses for up to 30/31 months from the priority date.
  • Strategic Flexibility: Extra time to evaluate markets and investors before committing.
  • Early Patentability Insights: International Search Report and Written Opinion help assess chances of success.

PCT Timeline at a Glance

Stage

Timeframe

What Happens

Priority Filing

Day 0

File initial application in home country.

PCT Filing

Within 12 months

Submit international application to secure global priority.

International Search

~16 months

Receive ISR and Written Opinion from ISA.

Publication

18 months

Application published by WIPO.

Optional Chapter II

Up to 22 months

Request International Preliminary Examination for deeper analysis.

National Phase Entry

30/31 months

Enter chosen countries for local examination and grant.

Why Choose Adastra IP?

  • Expertise – Decades of experience in global patent strategy.
  • Precision – Technical compliance for complex filings.
  • Global Network – Seamless national phase entry through trusted associates.
  • Cost Transparency – Clear estimates and proactive deadline tracking.
  • Proven Track Record – Adastra IP has filed more than 300 PCT applications, making us highly experienced in PCT procedures.
  • We have successfully filed Article 34/Article 35 Amendments under PCT regulations, together with demands for preliminary examination, often resulting in overturning negative opinions from International Search Authorities.

PCT Filing

Adastra IP has filed more than 300 PCT applications and as such we are well versed with PCT procedures.

Adastra IP has also successfully filed Article 34/Article 35 Amendments as per PCT regulation together with demand for preliminary examination, often  resulting in overturning of the International Search Authority’s negative opinion.