In tune with the times.

Insights

A look across the pond – information and news from US IP law.

Washington Monument with people and dog in the foreground

Invention disclosures from the USA

United States Supreme Court Building in Washington DC, USA.

Impact of royalty payments on customs duties payable when importing goods into the USA

Robot working on computer in office

What is a Trade Secret in the US?

Tautz-Schuhmacher-13 (8)

What is an Inter Partes Review (IPR)?

US Capitol building at dusk

Where to File Patent Infringement Cases in the US

Close-up of columns on US dollar bill.

How to Calculate Damages in Patent Infringement Cases

Stone figure in the park with raised arm

What Is an Information Disclosure Statement (IDS)?

Runner in front of monument with flags in the background

Can Software Be Patented in the US?

People walking in a park in the morning.

How to Obtain Trademark Protection in the US

Close-up of a human eye with a blue iris.

What is a design patent?

Modern MRI machine in the examination room

What is a utility patent?

Security check with stop signs and barriers

What Is a Restriction Requirement?

Robot hand touching human hand against digital background.

What do “state of the art” and “prior art” mean in US patent law?

Person arranges colorful documents on desk.

What is a USPTO Office Action?

Shaking hands in the office for business meetings

Settlement of IP infringement cases through mediation

Macro of the back of the US Five Dollar Bill showing small State Names as anti-counterfeit measure.

What is the PTAB

Artificial intelligence concept. Artificial Intelligence Computer Processor Unit. 3D illustrations

Digitization in patent law: DPMA joins WIPO DAS

Washington Monument with American flags at sunset, Washington DC

Patent granting procedures in the USA

Abstract dark gray white background blue black color grainy texture gradient web header banner design, copy space

Overview of the US patent infringement process

Pearl Cohen logo in dark design

Notice on our own behalf

From January 1, 2026 on, we join the multinational law firm Pearl Cohen (website). With this step, we are expanding our international focus and will continue to provide legal services at the highest level. Our entire team looks forward to continuing to provide you

Our new email address is: PatentsDE@PearlCohen.com. During the transition period, we will also be available as usual at our previous email address. Our office location and telephone numbers will remain unchanged. We will inform our clients of further details in a separate letter. We wish you a happy start to the new year 2026 and look forward to continuing to work with you.