Welcome to The Patent Pen, my musings on the patent world - the result of over 30 years of experience as an Israeli patent attorney.

April 12, 2020

For the past few days, I have been discussing urgent deadlines with my clients. One client had planned to file his US provisional abroad in a few countries and had given me instructions and payment in December for an early April deadline. A second client had a national...

March 22, 2018

In my last post, Why Patent Applications are Hard to Read, I gave half the story. The other half is that patents are hard to read because they are hard to write. When a writer’s thoughts don’t flow smoothly, the resultant text doesn’t flow smoothly either.

A good patent...

January 30, 2018

When you want to learn about a new subject, where do you go? To a journal article? To the Wikipedia? Which source provides the clearest explanation of the subject?

The Wikipedia often gives a good overall explanation of a subject while a journal article will flesh out d...

October 21, 2017

We patent attorneys meet inventors and tell them if we think their idea is “patentable”. But how do we know? How do we figure out what is inventive?

Our job is to listen to an inventor’s description and, from it, to grasp the essence of the invention. We summarize the i...

June 27, 2017

Have you ever played Pokemon Go? It’s an exciting game – you see Pokemon characters superimposed on your mobile phone’s view of the world around you! The characters look as if they really exist in the world.

A real-world game with virtual characters brilliantly integrat...

June 2, 2017

A potential client came to me with her provisional patent application. She had written it herself and then filed it via another patent agent. The document was a pleasant read and I understood her invention well. However, the provisional filing could have been improved.


May 11, 2017

3D printing has become popular. The digital files describing mechanical  products can now be easily shared, such that ordinary individuals can now create mechanical products. This significantly changes the economics of mechanical products.

I grew up in the 1970s, when c...

April 27, 2017

So you have an invention and you want to file a patent application on it. When is the right time to do it?

Many people argue that you need to catch the date as early as possible. This makes sense since one needs to be the “first to file” to win the patent over others wh...

April 24, 2017

* Published in the Jerusalem Post, 28Sep15

Amir and Yossi have a new idea for an interesting mobile app, one they think will go viral within a few months of its launch. They are very excited about it and they corral a few friends into helping them write their demo and p...

April 7, 2017

You’d think that ownership of Intellectual Property is the business of lawyers. After all, they handle the contractual relationships between the parties. However, as a patent attorney, I find myself dealing with all sorts of legal questions which come as an adjunct to...

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Meet Heidi
Heidi expertly turns complicated concepts into understandable patent applications.
She runs Heidi Brun Associates, a patent boutique, and previously managed the Strategic Patent Dept. of Eitan Mehulal & Sadot (EMS), with whom she is still associated.

Heidi won the Client Choice Award in the Patents category for Israel in both 2017 and 2019

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