All posts by: Robert Yarbrough

About Robert Yarbrough

Patents – How Much Information is Enough? 

April 6, 2023 Patent

So, you’ve come up with an invention.  Great!  Now it’s time to apply for your patent.  So how much information must you supply in your patent application?  The general rule is that you must provide ‘enablement’; that is, you must provide enough information in the text and drawings so that a person knowledgeable in the […]

Patents and Free Speech

March 9, 2023 Patent

Let’s say the world believes in Unicorns. TikTok is filled with glowing Unicorn affirmation testimonials and whole YouTube channels are dedicated to fuzzy, pixelated videos of Unicorns in the distance.  Learned scientists publish studies speculating about the natural history of Unicorns. You, on the other hand, are part of the small but sturdy band of […]

What is Collateral Estoppel, and Why Should a Patent Owner Care?

February 16, 2023 Patent

 ‘Collateral estoppel’ means that when a judge, jury or other tribunal finally decides an issue in litigation between two parties, then the decision controls the same issue between the same parties in subsequent litigation. The losing party can appeal a decision (usually), but once the appeals from the decision are exhausted the issue is decided […]

This Just In – Hell Frozen Over!

February 2, 2023 Patent

The USPTO has LOWERED the cost of filing and prosecuting patent applications for small and micro entities.  The USPTO filing fees for small entities (generally, companies with fewer than 500 employees) is now 40% of the filing fee for large entities, down from 50%.  The USPTO fees for micro entities (generally, academics and individual inventors who have […]

New Year, New Beginnings

January 5, 2023 Patent

It’s time to turn over a bright, shiny new leaf and to make hopeful resolutions with the best of intentions.  Your Faithful Narrator’s thoughts turn to a shiny new beginning of the distant past – to the year 1790, only three years after the Founders hammered out the new U.S. Constitution and one year after […]

What is ‘Enablement’ and Why Should an Inventor Care?

December 1, 2022 Patent

Every patent claim must be enabled; that is, the application must have enough information to teach a knowledgeable person how to make and use the invention.  But how much disclosure is enough?  Consider an invention that includes a threaded bolt to hold two objects together.  Infinite variations in the threads are possible, including variations in the shape […]

Reverse Troll

November 10, 2022 Patent

 Some years ago, bashing ‘patent trolls’ was all the rage among the anti-patent community.  Depending on who you asked, a ‘patent troll’ was either (a) a hideous, ugly creature who lurked under bridges and beat innocent passersby with massive patent-shaped cudgels, or (b) anyone who tried to enforce patent rights.  The anti-patent forces got what […]

The Largest Patent Infringement Judgement in U.S. Not a Judgement

October 6, 2022 Patent

Question: When is the Largest Patent Infringement Judgement in U.S. History Not a Judgement? Answer:  When the judge’s wife owns $5,000 worth of stock in the infringer! The amount at stake was $2.75 Billion.  That’s Billion, with a ‘B,’ the largest patent infringement judgement in U.S. history.  The parties were Centripetal Networks, Inc., the patent owner, […]

Can a State Protect an Invention?

September 15, 2022 Patent

We think of the protection of intellectual property (patents, trademarks, copyrights, trade secrets) as matters of Federal law.  What about the states?  Can, say, Pennsylvania protect an invention by state law independent of the Federal government? The principal impediment to state protection of intellectual property is the Supremacy Clause of the U.S. Constitution: “…This Constitution, and […]

Swimwear Technology

August 4, 2022 Patent

As we sit on the beach, trying to avoid the sun, what better time to contemplate  swimwear inventions?  Consider the ‘Two Piece Full Body Weighted Swimsuit’ of U.S. Pat. Pub. 2004/0221,355 by Garcia, published November 11, 2004 and shown as fig. 1.  It’s a training aid for competitive swimmers.  The dark patches are weights, up […]

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