In the world of business and technology, joint developments are routine. Two companies join forces, create an innovative product, and then the most interesting part begins — the division of patent rights. If, at the signing stage, the partners limited themselves to general, vague terms, a harsh disappointment awaits them.

A prime example of this was a recent case before the Australian Patent Office — ThermoChem Recovery International Inc. v FULC JV LLC. This story is an object lesson in why ambiguous contractual wording and taking a DIY approach in court can completely ruin patent entitlement claims.

Who Fought Whom and Over What?

Fulcrum Bioenergy filed four patent applications for new technologies and subsequently officially assigned the rights to another entity — FULC JV LLC.

However, a former partner, ThermoChem (TRI), appeared on the horizon. They petitioned the patent office to be recognized as co-owners of the patent. TRI’s main argument was: “We developed this ‘combined technology’ together under a joint project and contract; therefore, half of the rights belong to us!”

Why Did the Co-Inventorship Claim Fail?

At first glance, TRI’s claim appeared logical. However, when it came to legal analysis, the “combined technology” collapsed like a house of cards. Australian patent law relies on clear principles for determining inventorship and entitlement:

1. Conception: A co-inventor is someone in whose mind a complete and final idea of the invention was conceived — one that a person skilled in the art can immediately put into practice.

2. Analysis of the Specification: To understand the essence of the invention, the entire patent document is analyzed, not just promises on paper.

3. Contractual Clarity: All contractual obligations regarding assignments must be transparent and specific.

Where Did TRI Go Wrong?

• Contractual Ambiguity: The concept of “combined technology” was set out in a separate license agreement that TRI did not even… submit to the tribunal as evidence!

• Lack of Evidence of Contribution: TRI was unable to explain or prove which specific technical element or innovative idea was contributed by its engineers.

• Attempting to Save on Lawyers: TRI decided to represent itself before the Patent Office without engaging a professional patent attorney. As a result, they provided confusing testimony and failed to submit written submissions prior to the hearing.

The Patent Office simply received no legally compelling evidence that would allow TRI to be added as co-owners of the patent.

Key Takeaways for Developers and Businesses

The most compelling aspect of this case is that the Patent Office did not assert that TRI had no involvement in the development whatsoever. The hearing officers merely noted: “You provided no evidence, so there is nothing we can do.” Had the company been represented by an experienced patent attorney, the outcome might have been entirely different.

This case provides two critical lessons for business:

1. The Terminology Trap: All IP development contracts must describe technology with maximum specificity. Formulations such as “all joint efforts” or “combined technologies” do not hold up in court.

2. Documenting Contributions: Record every stage of development — who exactly conceived a specific assembly, formula, or algorithm. Without a clear paper trail, proving inventorship or ownership is virtually impossible.

Founder of Research & Patent group Intectica, author of patent algorithms for solving problems in the pharmaceutical industry, patent attorney certified in all intellectual property objects (Patents, Design, TM), with education in chemistry and law, chief expert of the patent institution of Ukraine UKRPATENT (1997-2004). Member of international organizations, including ECTA, PTMG, UAM, lecturer and blogger.