Meaning: 'Aim' refers to a goal or objective that someone is trying to achieve, in this case, making money from an invention.

Wrong options:

• believe: 'Believe' is a verb that means to accept something as true, which does not fit the context of having a goal.
• destined: 'Destined' is an adjective that implies a predetermined outcome, which does not convey the active pursuit of a goal.
• thing: 'Thing' is a vague noun that does not specify any particular aim or goal, making it unsuitable in this context.

Correct answer: face

Explanation: The verb 'face' is appropriate here as it indicates confronting or dealing with a risk, which fits the context of the sentence discussing potential challenges in licensing an invention.

Meaning: 'Face' means to confront or deal with a difficult situation or risk, in this case, the risk of losing the invention.

Wrong options:

• make: 'Make' does not convey the idea of confronting a risk; it suggests creation rather than dealing with a challenge.
• gain: 'Gain' implies acquiring something, which does not fit the context of dealing with risks.
• project: 'Project' typically refers to planning or forecasting, which does not align with the context of confronting risks.

Correct answer: file

Explanation: The verb 'file' is correctly used here as it refers to the act of submitting a formal application, which is necessary for obtaining a provisional patent.

Meaning: 'File' means to formally submit a document or application, such as a patent application, to the relevant authorities.

Wrong options:

• propose: 'Propose' means to suggest an idea or plan, which does not fit the context of submitting an application.
• give: 'Give' implies transferring something to someone else, which does not apply to the act of submitting a patent application.
• take: 'Take' generally means to grasp or seize, which does not convey the formal action of submitting a patent application.

Correct answer: signal

Explanation: The verb 'signal' is appropriate as it indicates the act of conveying an intention or message, which aligns with the context of indicating the inventor's intent to pursue patent rights.

Meaning: 'Signal' means to indicate or show something, in this case, the inventor's intention to proceed with obtaining patent rights.

Wrong options:

• amalgamate: 'Amalgamate' means to combine or merge, which does not fit the context of indicating intent.
• add: 'Add' implies including something extra, which does not convey the specific meaning of indicating intent.
• reduce: 'Reduce' means to make smaller or less, which is contrary to the idea of signaling intent to move forward.

Correct answer: option

Explanation: The noun 'option' fits well as it refers to a choice or alternative available to inventors, which is relevant in the context of considering different strategies for protecting their invention.

Meaning: 'Option' refers to a choice or alternative that can be selected, in this case, a strategy for protecting an invention.

Wrong options:

• phase: 'Phase' refers to a stage in a process, which does not fit the context of a choice or alternative.
• target: 'Target' implies a goal or objective, which does not convey the idea of a choice available to inventors.
• part: 'Part' refers to a piece of something, which does not align with the concept of an alternative or option.

Correct answer: development

Explanation: The noun 'development' is suitable as it refers to the process of creating or improving an invention, which fits the context of discussing the stage of the invention's progress.

Meaning: 'Development' means the process of growth or advancement, particularly in the context of creating an invention.

Wrong options:

• advent: 'Advent' refers to the arrival of something, which does not fit the context of a stage in the process of creating an invention.
• start: 'Start' implies the beginning of something, which does not convey the ongoing process of development.
• closure: 'Closure' means the end of something, which is contrary to the idea of an ongoing process of development.