Chhabra Law Firm, PC

Silicon Valley. San Francisco. San Jose. Bay Area.



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Patent Basics
Cease & Desist Letters

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Am I too late to file a patent?


In the US, a patent application must be filed within one year of public disclosure or offering the invention on sale or use anywhere in the world. Even trivial actions can initiate the one year time period. Public disclosure would include simple actions like casually describing the invention to a friend over dinner in a private setting. Similarly, “public use” is considered from the date the invention was used in public, even if the public never learned about the invention. ...

Can I copyright Emojis 😍 🙌 💯 ❓


Emojis, just like any other form of art, are copyrightable and/or patentable. Take for example, the following emojis: 😍 🙌 💯 — while each are approved by Unicode, the specific design implemented by each operating system or browser may be copyrighted by the creator of the software. Unicode in turn releases the emoji under the following copyright: Permission is hereby granted, free of charge, to any person obtaining a copy of the Unicode data files and any associated documentation (the ...

The Berkheimer Effect On Software Patents


Earlier in April and May the USPTO updated its Section 101 subject matter eligibility guidelines — also known as the Alice guidelines based on the recent federal court ruling of Berkheimer v. HP, Inc.  Based on the current Alice framework utilized by the USPTO, at the step 2B analysis, the examiner is supposed to make a determination that the claimed features or combination thereof is a well-understood, routine and conventional activity. In Berkheimer, the federal circuit held that ...

New USPTO Patent Grant Cover


Today we received a patent document (certificate) for one of our clients with a new cover. As it turns out, this is only the second time the cover sheet has been changed in the last 100 years — in honor of issuing 10 million patents. Releasing the cover, USPTO Director Andrei Iancu stated: “American ingenuity has been at the forefront of every major technological revolution of the past two centuries, from steam engines to flight, and from the biotechnology revolution to the ...

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Sample Work

Our patent attorney has secured numerous inventions for our clients.
Any result the attorney or firm may have achieved on behalf of a client does not necessarily indicate similar results can be obtained for other clients.


Our trademark and patent attorney assists clients with utility (provisional/non-provisional) patent applications, international applications, trademarks, responding/ formulating cease and desist letters, and other litigation related matters. We can help you strategize your patent portfolio according to your business needs. The USPTO provides a flow chart of the over all process.
A provisional patent application is a temporary application filed with the USPTO expiring within 1 year. Provisional patent applications are not examined by the USPTO and are held in confidence. Prior to the expiration of the provisional patent application, you will need to file a non-provisional patent application to initiate the examination process.
A trademark, trade mark, or trade-mark is a recognizable sign, design or expression which identifies products or services of a particular source from those of others. The trademark owner can be an individual, business organization, or any legal entity. A trademark may be located on a package, a label, a voucher or on the product itself. For the sake of corporate identity trademarks are also being displayed on company buildings. A trademark must be used in commerce.
A non-provisional application is a request pending at a patent office for the grant of a patent for the invention described and claimed by that application. A non-provisional application can claim priority from a filing date of a provisional application. The non-provisional application consists of a detailed description (patent specification), formal drawings, and claims together with official forms and correspondence relating to the application. It is important that the non-provisional application is crafted well as this document can eventually yield a patent.
A design patent is a form of legal protection granted to the ornamental design of a functional item. Design patents are a type of industrial design right. Ornamental designs of jewellery, furniture, beverage containers and computer icons are examples of objects that are covered by design patents. It is important that you contact your patent attorney and inquire if a design patent can further secure your IP rights.
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