About

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​Mr. Johnston possesses extensive know-how in preparing and prosecuting U.S. and foreign patent applications in the mechanical, computer software, chemical and biotechnology arts.  He also administers and manages clients’ patent portfolios, including the payment of annuities and maintenance fees, and prepares and evaluates patent assignments and license agreements.

In addition, Mr. Johnston counsels clients on a broad range of intellectual property matters, including patent procurement and patentability, patent infringement and validity opinions, and litigation.

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Areas of Practice

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• Implantable iontophoretic devices for delivery of chemotherap

• Therapeutic drug delivery via nanoparticles

• MRI compatible tools for image-guided surgical procedures

• Orthopedic prosthesis and post-amputation support

• Hemodialysis

• Respiratory monitoring

• Tools for neural research

• Mechanical - HVAC, commercial lighting, concrete production

• Cardiac catheterization

• Pharmaceutical formulations