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Patent filing & prosecution

Secure your invention, from first filing to grant.

Whether you are an inventor, a startup or an established company, our patent attorneys file your application with patent offices around the world, then handle every exchange with the patent office until your patent is granted.

18–36 monthsTypical time from filing to grant under standard examination
  • 150+ countriesOrdinary, PCT and national phase
  • Experienced attorneys20 years in patent practice
  • Every deadline trackedAcross all your applications
  • One teamFrom filing to grant and renewal
Two stages, one goal

Filing secures your date. Prosecution secures your rights.

A patent is granted only after both stages are done well. Filing gives your invention a priority date at the patent office, and prosecution is the work that follows until the examiner agrees your claims deserve protection.

Stage one

Patent filing

Formally submitting your patent application to an office such as the USPTO, the EPO or IP India.

  1. Prior art search and novelty assessmentKnow what already exists before you invest in filing
  2. Drafting the specificationProvisional or complete, with claims written to hold up in examination
  3. Submitting to the patent officeForms, drawings and documents filed correctly and on time
  4. Paying the official feesFees confirmed for each office and applicant category
Stage two

Patent prosecution

The ongoing exchange with the patent office after filing, until your patent is granted.

  • Responding to examination reportsTechnical and legal arguments against every objection
  • Amending claims or the specificationNarrowing only where needed to keep strong protection
  • Examiner interviews and hearingsRepresented by an attorney who knows your file
  • Appealing rejectionsTaking the case further when the decision is wrong
How prosecution works

From examination request to granted patent.

Each office has its own rules and deadlines, but most applications follow the same path. We manage every step and keep you informed, with a clear recommendation at each decision point.

  1. 01

    Publication

    Your application is published, usually 18 months from the priority date.

  2. 02

    Request for examination

    Filed within each office's deadline so the application is examined.

  3. 03

    Examination report

    The examiner raises objections on novelty, inventive step or clarity.

  4. 04

    Response & amendments

    We answer every objection with arguments and claim amendments.

  5. 05

    Hearing or interview

    If objections remain, we present your case to the examiner directly.

  6. 06

    Grant or appeal

    Your patent is granted, or we appeal an unfair refusal.

18–36 months

Typical time from filing to grant under standard examination. It varies by country, technology and office workload, and expedited examination can shorten it in some offices.

Office action response
Why expert guidance matters

Decisions made at filing shape the patent you get.

Filing and prosecution need both technical understanding and legal skill. Before we file, we plan four things with you, so your patent protects what matters to your business.

Plan your filing with us

Jurisdiction

Where you need protection, and the best way to get there.

  • Direct filing in a single country
  • PCT international application
  • National phase in chosen countries

Timing

When to file, so you secure an early date without rushing the details.

  • Provisional application first, or complete
  • 12-month priority window
  • Publication and disclosure plans

Budget

A clear view of costs across the life of the patent, not just the filing fee.

  • Filing and official fees
  • Prosecution and responses
  • Annuities and maintenance

Business goals

A patent strategy that supports how you plan to use your invention.

  • Products and key markets
  • Licensing or sale of the patent
  • Investor and partner expectations
FAQs

Questions about filing and prosecution.

Short answers to what clients ask us most. For advice on your own invention, speak to one of our patent attorneys.

Have a deadline coming up?

Send us your application details and we will confirm the next steps and fees.

Contact a patent attorney
01What is the difference between patent filing and prosecution?

Filing is submitting your application to the patent office, which gives your invention a filing date. Prosecution is everything that happens afterwards between you and the office, including examination, responses and hearings, until the patent is granted or refused.

02What does the prosecution process involve?

It usually includes requesting examination, reviewing the examination report, responding to objections with arguments and amendments, attending examiner interviews or hearings, and appealing a rejection if needed.

03How long does it take to get a patent granted?

Typically 18 to 36 months from filing to grant under standard examination. The time varies by country, technology area and office workload, and expedited examination can shorten it in some offices.

04What happens if a filing or prosecution deadline is missed?

The application is likely to be treated as abandoned or withdrawn. Some offices allow extensions or restoration within strict limits and for a fee, so contact us as soon as possible if a deadline has passed or is close.

05Can one application protect my invention in many countries?

There is no single worldwide patent, but a PCT application keeps your rights open in 150+ countries with one filing. You then enter the national phase in the countries you choose, usually at 30 or 31 months from priority.

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