Dipu A Doshi

Partner at Blank Rome LLP
Ranked in United States: DC Metro Area
IAM Research

The Patent 1000 focuses exclusively on patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.

Bronze - Individuals: litigation

A trusted guide throughout all phases of the patent lifecycle, Blank Rome fields accomplished litigators and prosecutors in DC, Houston, Philadelphia and New York, who work collaboratively to get things right first time. Zooming in on the prosecution practice, the firm has an aptitude for software patent protection, but also performs adroitly in the electrical engineering and life sciences spaces – the respective focuses of Stephen Soffen and James Brady. Soffen has cultivated a broad view of the patent world through his involvement in prosecution, post-grant, litigation and licensing, making him a sought-after opinion giver and counsellor. Brady also demonstrates impressive range for his pharmaceutical and biotechnology patrons. Between them, they have many decades of experience. On the contentious front, Dipu Doshi and Salvatore Tamburo spearhead important campaigns, keeping their eyes firmly trained on the prize. One recent victory came in July 2020 with an early summary judgment win defending Oshkosh as a contractor to the US government which was sued for patent infringement by Ideal Innovations and others. Doshi seamlessly transmutes from counsellor and portfolio manager to tenacious litigator and serves his global clients with agility, whatever they need. Tamburo has been to trial on numerous occasions, but often facilitates early wins.

Dipu A Doshi's Profile

Dipu A Doshi is a partner in Blank Rome’s Washington DC office and co-chair of the firm’s national IP practice.

Mr Doshi is an experienced litigator who concentrates his practice on patent litigation in US district courts as well as inter partes reviews before the Patent Trial and Appeal Board. In addition to his patent litigation practice, Mr Doshi also regularly advises clients in matters relating to patent portfolio management including due diligence, client counselling and patent prosecution.

Mr Doshi represents an international clientele, including companies from Europe, the United States, Japan and Taiwan.

His practice focuses on a variety of technological fields, with an emphasis on the chemical industry’s innovative green technologies in fields such as refrigerants, polymers, rechargeable batteries and semiconductor devices (including LED technology).

Prior to practising law, Mr Doshi was a research associate at MedImmune Inc. While at MedImmune, he participated in several projects related to the development of novel vaccines derived from biological molecules. His tasks included optimising various cell culture lines for the expression and purification of monoclonal antibodies, antigens and other proteins. He also has experience in the expression and purification of clinical grade biological materials.

Mr Doshi received his law degree from George Washington University in Washington DC and earned a master’s in biology from Johns Hopkins University.   

Firm Profile

Blank Rome’s IP practice covers every aspect of national and international patent, trademark and copyright law. Our attorneys are dedicated to helping clients develop, protect, strategically manage and maximise the value of their intellectual assets.

Our IP team includes a team of 35+ dedicated patent attorneys located across the country. Our attorneys are all registered to practise before the US Patent and Trademark Office (USPTO) and are active in industries such as chemicals, medical devices, artificial intelligence, computer hardware and software, data processing, telecommunications, biotechnology and bioscience, pharmaceuticals, manufacturing, semiconductors, internet technology, energy and petroleum services, aerospace and transportation, fibre optics, media and publishing, and financial services.

Patent litigation

We have extensive experience litigating every aspect of US and international patent cases. With home offices in California, Delaware, Texas and Washington DC, we regularly appear in district courts in top jurisdictions across the country and have successfully represented clients in patent disputes with hundreds of millions of dollars on the line. We also regularly appear before the Patent Trial and Appeal Board (PTAB), the Court of Federal Claims and the Court of Appeals for the Federal Circuit. We have appeared in numerous infringement suits and declaratory judgment actions, representing both patentee and accused infringers.

At the forefront of contested proceedings before the USPTO, we have filed more than 100 petitions for inter partes reviews, post-grant reviews and covered business method patent review.

Blank Rome has a concentration in representing clients before the Court of Federal Claims, a national court in Washington DC that hears cases concerning monetary claims against the federal government. Because of our strong government contracts practice, we act for numerous companies that serve the government and sometimes seek to challenge procurement decisions on IP grounds. In addition, we leverage our strengths in appellate advocacy to defend or challenge lower court holdings in the Court of Appeals for the Federal Circuit.

Patent prosecution

We represent clients in every phase of the patent application process, from initial consultations with the inventor and prior-art searches through drafting of the specifications and claims; filing of the application; meeting with the patent examiner; responding to USPTO actions and, if necessary, appealing such actions before the PTAB; and enforcing or defending infringement claims.

We file approximately 1,600 US and foreign patent applications each year and manage more than 28,000 active patent applications for 1,500+ clients.

In addition to traditional patent prosecution services, we help clients develop their own invention disclosure processes and incentive programmes to encourage inventorship and protect inventions with increased patent filings. Members of the team routinely visit client sites to present new or changing patent prosecution rules and to provide input during patent strategy meetings.


Our patent team works with our market-leading government contracts team on patent transactional matters. Many of the government contracts we work on involve billions of dollars, with much of the value of those deals tied up in sensitive intellectual property.

We also provide legal counsel concerning a broad range of issues involving IP monetisation; licensing contracts and agreements; university tech transfer; due diligence for complex business transactions; antitrust; trade secrets; cybersecurity; and insurance coverage.

About Blank Rome

Blank Rome is an Am Law 100 firm with 14 offices and more than 600 attorneys and principals who provide comprehensive legal and advocacy services to clients operating in the United States and around the world. Our professionals have built a reputation for their leading knowledge and experience across a spectrum of industries and are recognised for their commitment to pro bono work in their communities. Since our inception in 1946, our culture has been dedicated to providing top-level service to all of our clients and has been rooted in the strength of our diversity and inclusion initiatives. We advise clients on all aspects of their businesses, including intellectual property and technology, commercial and corporate litigation; consumer finance; corporate, M&A and securities; environmental, energy and natural resources; finance; restructuring and bankruptcy; government contracts; insurance coverage; labour and employment; maritime; international trade; matrimonial; products liability; mass torts; policy and political law; real estate; tax, benefits and private client; and white collar defence and investigations. For more information, visit BlankRome.com.

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