02 of 03

§ Acting for the accused

The first hour decides the rest.

A letter has arrived alleging infringement, probably with a deadline that looks shorter than it is. What you say next becomes the record.

A man reviewing documents at a desk

§ The reply

No. 03

A magnifying glass resting on a laptop keyboard

§ The prior art

No. 02

The stone columns of a courthouse

§ The letter

No. 01

A man reviewing documents at a desk

§ The reply

No. 03

A magnifying glass resting on a laptop keyboard

§ The prior art

No. 02

The stone columns of a courthouse

§ The letter

No. 01

A man reviewing documents at a desk

§ The reply

No. 03

A magnifying glass resting on a laptop keyboard

§ The prior art

No. 02

The stone columns of a courthouse

§ The letter

No. 01

02

Accused

02

Accused

Three sides · One standard

§ The first hour

What you say first is the record.

Four things decide most infringement disputes, and all four happen before anyone has issued anything. None of them need a court — all of them are easier with someone who has read the claims.

Scroll

A designer sketching a product by hand

01

Before you reply

Ask for the registration or patent number and the acts complained of, in writing. You are entitled to know the case before you answer it, and a holding reply buys time to read it.

A wall of worn letterpress type blocks

02

Read the right

Read the claims or the specification, not the covering letter. Most letters assert more than the right actually covers, and the difference is where the defence starts.

A scientist looking into a microscope

03

Test its validity

A surprising number of patents and marks asserted in letters would not survive a challenge. Prior art and earlier use are the first things we look for.

Two people shaking hands over a signed agreement

04

If it escalates

Unjustified threats can give you a claim of your own, and a declaration of non-infringement can take the initiative. The response that decides most of these is written — and worth a week.

§ The first hour

What you say first is the record.

Four things decide most infringement disputes, and all four happen before anyone has issued anything. None of them need a court — all of them are easier with someone who has read the claims.

Scroll

A designer sketching a product by hand

01

Before you reply

Ask for the registration or patent number and the acts complained of, in writing. You are entitled to know the case before you answer it, and a holding reply buys time to read it.

A wall of worn letterpress type blocks

02

Read the right

Read the claims or the specification, not the covering letter. Most letters assert more than the right actually covers, and the difference is where the defence starts.

A scientist looking into a microscope

03

Test its validity

A surprising number of patents and marks asserted in letters would not survive a challenge. Prior art and earlier use are the first things we look for.

Two people shaking hands over a signed agreement

04

If it escalates

Unjustified threats can give you a claim of your own, and a declaration of non-infringement can take the initiative. The response that decides most of these is written — and worth a week.

§ Plainly

Fixed for the first stage

03 — What to do today

Say nothing in writing yet.

Do not reply, do not change the product and do not delete anything. Keep every document as it is — then call us before the deadline in the letter, not on it.

03 — What to do today

Say nothing in writing yet.

Do not reply, do not change the product and do not delete anything. Keep every document as it is — then call us before the deadline in the letter, not on it.

02 — What it costs you

Fixed, before you instruct us.

You will know what the first stage costs before you instruct us — and if the letter can safely be answered in two lines, we will tell you that instead.

01 — Being accused

A letter is not a claim.

Being accused is not the same as infringing. The right may be narrower than it sounds, invalid, or not even owned by the person who sent it.

01 — Being accused

Being accused is not the same as infringing, and a letter is not a claim. The right may be narrower than it sounds, invalid, or not even owned by the person who sent it.

02 — What it costs you

02 — What it costs you

The first stage is fixed. You will know what it costs before you instruct us, and if the answer is that the letter can safely be answered in two lines, we will tell you that instead.

03 — What to do today

Do not reply, do not change the product and do not delete anything. Keep every document as it is — then call us before the deadline in the letter, not on it.

§ Across the table from

We act for owners too, so we know how the other letter is built.

Both sides · Never the same matter

  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo
  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo
  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo
  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo

Before you answer
the first letter.

No charge · No conflict · Under NDA

02 of 03

§ Acting for the accused

The first hour decides the rest.

A letter has arrived alleging infringement, probably with a deadline that looks shorter than it is. What you say next becomes the record.

A man reviewing documents at a desk

§ The reply

No. 03

A magnifying glass resting on a laptop keyboard

§ The prior art

No. 02

The stone columns of a courthouse

§ The letter

No. 01

A man reviewing documents at a desk

§ The reply

No. 03

A magnifying glass resting on a laptop keyboard

§ The prior art

No. 02

The stone columns of a courthouse

§ The letter

No. 01

A man reviewing documents at a desk

§ The reply

No. 03

A magnifying glass resting on a laptop keyboard

§ The prior art

No. 02

The stone columns of a courthouse

§ The letter

No. 01

02

Accused

02

Accused

Three sides · One standard

§ The first hour

What you say first is the record.

Four things decide most infringement disputes, and all four happen before anyone has issued anything. None of them need a court — all of them are easier with someone who has read the claims.

Scroll

A designer sketching a product by hand

01

Before you reply

Ask for the registration or patent number and the acts complained of, in writing. You are entitled to know the case before you answer it, and a holding reply buys time to read it.

A wall of worn letterpress type blocks

02

Read the right

Read the claims or the specification, not the covering letter. Most letters assert more than the right actually covers, and the difference is where the defence starts.

A scientist looking into a microscope

03

Test its validity

A surprising number of patents and marks asserted in letters would not survive a challenge. Prior art and earlier use are the first things we look for.

Two people shaking hands over a signed agreement

04

If it escalates

Unjustified threats can give you a claim of your own, and a declaration of non-infringement can take the initiative. The response that decides most of these is written — and worth a week.

§ The first hour

What you say first is the record.

Four things decide most infringement disputes, and all four happen before anyone has issued anything. None of them need a court — all of them are easier with someone who has read the claims.

Scroll

A designer sketching a product by hand

01

Before you reply

Ask for the registration or patent number and the acts complained of, in writing. You are entitled to know the case before you answer it, and a holding reply buys time to read it.

A wall of worn letterpress type blocks

02

Read the right

Read the claims or the specification, not the covering letter. Most letters assert more than the right actually covers, and the difference is where the defence starts.

A scientist looking into a microscope

03

Test its validity

A surprising number of patents and marks asserted in letters would not survive a challenge. Prior art and earlier use are the first things we look for.

Two people shaking hands over a signed agreement

04

If it escalates

Unjustified threats can give you a claim of your own, and a declaration of non-infringement can take the initiative. The response that decides most of these is written — and worth a week.

§ Plainly

Fixed for the first stage

03 — What to do today

Say nothing in writing yet.

Do not reply, do not change the product and do not delete anything. Keep every document as it is — then call us before the deadline in the letter, not on it.

03 — What to do today

Say nothing in writing yet.

Do not reply, do not change the product and do not delete anything. Keep every document as it is — then call us before the deadline in the letter, not on it.

02 — What it costs you

Fixed, before you instruct us.

You will know what the first stage costs before you instruct us — and if the letter can safely be answered in two lines, we will tell you that instead.

01 — Being accused

A letter is not a claim.

Being accused is not the same as infringing. The right may be narrower than it sounds, invalid, or not even owned by the person who sent it.

01 — Being accused

Being accused is not the same as infringing, and a letter is not a claim. The right may be narrower than it sounds, invalid, or not even owned by the person who sent it.

02 — What it costs you

02 — What it costs you

The first stage is fixed. You will know what it costs before you instruct us, and if the answer is that the letter can safely be answered in two lines, we will tell you that instead.

03 — What to do today

Do not reply, do not change the product and do not delete anything. Keep every document as it is — then call us before the deadline in the letter, not on it.

§ Across the table from

We act for owners too, so we know how the other letter is built.

Both sides · Never the same matter

  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo
  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo
  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo
  • Northgate logo
  • Meridian Holdings logo
  • Halden Group logo
  • Castleworth logo
  • Ravensbourne logo
  • Aldgate Partners logo
  • Fenwick & Co logo

Before you answer
the first letter.

No charge · No conflict · Under NDA

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