01 of 03

§ Acting for the rights holder

Enforcing
a right that holds.

You own the patent, the mark or the design. The question is whether it survives being challenged the moment you assert it — a different brief from simply sending a letter.

Measuring engineering drawings with a caliper

§ The opinion

No. 03

Machined parts on engineering drawings

§ The evidence

No. 02

A researcher at a laboratory bench

§ The patent

No. 01

Measuring engineering drawings with a caliper

§ The opinion

No. 03

Machined parts on engineering drawings

§ The evidence

No. 02

A researcher at a laboratory bench

§ The patent

No. 01

Measuring engineering drawings with a caliper

§ The opinion

No. 03

Machined parts on engineering drawings

§ The evidence

No. 02

A researcher at a laboratory bench

§ The patent

No. 01

01

Rights holder

01

Rights holder

Three sides · One standard

§ What you are buying

Four guarantees, in writing.

Sending a letter is easy. Sending one backed by a right that survives an invalidity counterclaim, an opposition and a judge is the part that needs doing properly.

Scroll

A magnifying glass resting on a laptop keyboard

01

Validity first

Before any letter goes out, we test the right the way the other side will: prior art, prior use, and the claims read against what they actually sell.

A wall of worn letterpress type blocks

02

The letter

Drafted to be read aloud at trial, and inside the unjustified-threats rules — sent to the right people, saying only what can be backed.

Server racks in a dark data room

03

Evidence

Test purchases, source-code comparisons, sales data and expert reports gathered before positions harden — not in the month before trial.

The stone columns of a courthouse

04

The remedy

An injunction, damages, an account of profits or a licence — chosen at the start, because it decides which court and which strategy.

§ What you are buying

Four guarantees, in writing.

Sending a letter is easy. Sending one backed by a right that survives an invalidity counterclaim, an opposition and a judge is the part that needs doing properly.

Scroll

A magnifying glass resting on a laptop keyboard

01

Validity first

Before any letter goes out, we test the right the way the other side will: prior art, prior use, and the claims read against what they actually sell.

A wall of worn letterpress type blocks

02

The letter

Drafted to be read aloud at trial, and inside the unjustified-threats rules — sent to the right people, saying only what can be backed.

Server racks in a dark data room

03

Evidence

Test purchases, source-code comparisons, sales data and expert reports gathered before positions harden — not in the month before trial.

The stone columns of a courthouse

04

The remedy

An injunction, damages, an account of profits or a licence — chosen at the start, because it decides which court and which strategy.

§ The brief

Enforced, not threatened

03 — What we will not do

Never a letter we cannot back.

A threat that fails can become a claim against you — and it hands the other side the first move.

03 — What we will not do

Never a letter we cannot back.

A threat that fails can become a claim against you — and it hands the other side the first move.

02 — What we need

Every document — the bad ones too.

Earlier versions, lab notebooks, prior sales. Late disclosure is how strong cases become weak ones.

01 — What you receive

A written view before any letter.

On validity, infringement and the likely remedy — with the evidence each rests on — before you commit to a letter.

01 — What you receive

01 — What you receive

A written view on validity, infringement and the likely remedy — with the evidence each rests on — before you commit to a letter.

02 — What we need

02 — What we need

Every document, including the ones that do not help: earlier versions, lab notebooks, prior sales. Late disclosure is how strong cases become weak ones.

03 — What we will not do

03 — What we will not do

Send a letter we cannot back. A threat that fails can become a claim against you — and it hands the other side the first move.

§ Instructed by

Owners who needed their rights to hold.

140 clients · 28 territories

  • 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 send
the first letter.

No charge · No conflict · Under NDA

01 of 03

§ Acting for the rights holder

Enforcing
a right that holds.

You own the patent, the mark or the design. The question is whether it survives being challenged the moment you assert it — a different brief from simply sending a letter.

Measuring engineering drawings with a caliper

§ The opinion

No. 03

Machined parts on engineering drawings

§ The evidence

No. 02

A researcher at a laboratory bench

§ The patent

No. 01

Measuring engineering drawings with a caliper

§ The opinion

No. 03

Machined parts on engineering drawings

§ The evidence

No. 02

A researcher at a laboratory bench

§ The patent

No. 01

Measuring engineering drawings with a caliper

§ The opinion

No. 03

Machined parts on engineering drawings

§ The evidence

No. 02

A researcher at a laboratory bench

§ The patent

No. 01

01

Rights holder

01

Rights holder

Three sides · One standard

§ What you are buying

Four guarantees, in writing.

Sending a letter is easy. Sending one backed by a right that survives an invalidity counterclaim, an opposition and a judge is the part that needs doing properly.

Scroll

A magnifying glass resting on a laptop keyboard

01

Validity first

Before any letter goes out, we test the right the way the other side will: prior art, prior use, and the claims read against what they actually sell.

A wall of worn letterpress type blocks

02

The letter

Drafted to be read aloud at trial, and inside the unjustified-threats rules — sent to the right people, saying only what can be backed.

Server racks in a dark data room

03

Evidence

Test purchases, source-code comparisons, sales data and expert reports gathered before positions harden — not in the month before trial.

The stone columns of a courthouse

04

The remedy

An injunction, damages, an account of profits or a licence — chosen at the start, because it decides which court and which strategy.

§ What you are buying

Four guarantees, in writing.

Sending a letter is easy. Sending one backed by a right that survives an invalidity counterclaim, an opposition and a judge is the part that needs doing properly.

Scroll

A magnifying glass resting on a laptop keyboard

01

Validity first

Before any letter goes out, we test the right the way the other side will: prior art, prior use, and the claims read against what they actually sell.

A wall of worn letterpress type blocks

02

The letter

Drafted to be read aloud at trial, and inside the unjustified-threats rules — sent to the right people, saying only what can be backed.

Server racks in a dark data room

03

Evidence

Test purchases, source-code comparisons, sales data and expert reports gathered before positions harden — not in the month before trial.

The stone columns of a courthouse

04

The remedy

An injunction, damages, an account of profits or a licence — chosen at the start, because it decides which court and which strategy.

§ The brief

Enforced, not threatened

03 — What we will not do

Never a letter we cannot back.

A threat that fails can become a claim against you — and it hands the other side the first move.

03 — What we will not do

Never a letter we cannot back.

A threat that fails can become a claim against you — and it hands the other side the first move.

02 — What we need

Every document — the bad ones too.

Earlier versions, lab notebooks, prior sales. Late disclosure is how strong cases become weak ones.

01 — What you receive

A written view before any letter.

On validity, infringement and the likely remedy — with the evidence each rests on — before you commit to a letter.

01 — What you receive

01 — What you receive

A written view on validity, infringement and the likely remedy — with the evidence each rests on — before you commit to a letter.

02 — What we need

02 — What we need

Every document, including the ones that do not help: earlier versions, lab notebooks, prior sales. Late disclosure is how strong cases become weak ones.

03 — What we will not do

03 — What we will not do

Send a letter we cannot back. A threat that fails can become a claim against you — and it hands the other side the first move.

§ Instructed by

Owners who needed their rights to hold.

140 clients · 28 territories

  • 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 send
the first letter.

No charge · No conflict · Under NDA

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