1. 依已建立之授權契約之權利金決定訴訟中專利的權利金。（The royalties received by the patentee for the licensing of the patent in suit, proving or tend-ing to prove an established royalty.）
2. 被授權人使用類似訟爭專利之其他專利所支付之權利金比率。（The rates paid by the licensee for the use of other patents comparable to the patent in suit.）
3. 授權合約之性質及範圍，如專屬授權或非專屬授權；有地域限制或無地域 限制；或產品販賣對象限制。（The nature and scope of the license, as ex-clusive or non-exex-clusive; or as restricted or non-restricted in terms of territory or with respect to whom the manufactured product may be sold.）
4. 授權人既定之策略及行銷計畫，是為維持其專利之獨占性而不授權他人使 用；抑或在一定條件下授權以保持其專利獨占性。（The licensor’s estab-lished policy and marketing program to maintain his patent monopoly by not li-censing others to use the invention or by granting licenses under special condi-tions designed to preserve that monopoly.）
5. 授權人與被授權人間的商業關係，例如他們是否為相同行業在相同地區競 爭；或他們是否為發明人與促銷者之關係。（The commercial relationship between the licensor and licensee, such as, whether they are competitors in the same territory in the same line of business; or whether they are inventor and promoter.）
6. 因銷售授權產品而產生對被授權人之其他產品之促銷效果；專利權人之發 明促進非專利產品之銷售的現存價值；以及衍生銷售或配搭銷售產品之範 圍。（The effect of selling the patented specialty in promoting sales of other products of the licensee; the existing value of the invention to the licensor as a generator of sales of his non-patented items; and the extent of such derivative or convoyed sales.）
7. 專利權之有效期間及授權條件。（The duration of the patent and the term of the license.）
8. 專利產品之既有獲利；商業成功；以及現在的受歡迎程度。（The estab-lished profitability of the product made under the patent; its commercial suc-cess; and its current popularity.）
9. 專利產品與舊有模式或裝置比較起來，所產生之實益及優點。（The utility and advantages of the patent property over the old modes or devices, if any, that had been used for working out similar results.）
10. 專利發明之本質；授權人將專利發明運用至商業上的特性以及使用專利發 明所獲得的利益。（The nature of the patented invention; the character of the commercial embodiment of it as owned and produced by the licensor; and the benefits to those who have used the invention.）
11. 侵權人利用專利發明的程度；以及任何使用該專利之利益的證據。（The extent to which the infringer has made use of the invention; and any evidence probative of the value of that use.）
12. 以利潤或售價之一部分作為使用專利發明或類似發明之對價，在特定或類 似產業中已成為慣例。（The portion of the profit or of the selling price that may be customary in the particular business or in comparable businesses to al-low for the use of the invention or analogous inventions.）
13.與非專利元件區別而可實現獲利之專利發明部分，製程、商業風險、重要 的特色或改良之區別。（The portion of the realizable profit that should be credited to the invention as distinguished from non-patented elements, the manufacturing process, business risks, or significant features or improvements added by the infringer.）
14. 合格專家證人所為之意見證詞。（The opinion testimony of qualified ex-perts.）
15. 授權人（如專利權人）與被授權人（如侵權人）假如在理性、自願的情況 下，於侵權開始時同意訂定授權合約所可能同意之權利金，亦即，一個審
慎的被授權人，從商業的觀點，欲取得授權去製造、銷售某特定專利物 品，願意支付之權利金；而該權利金仍然足以使被授權人有合理利潤，且 一個審慎的被授權人願意接受該數額之權利金。（The amount that a licen-sor (such as the patentee) and a licensee (such as he infringer) would have agreed upon (at the time the infringement began) if both had been reasonably and voluntarily trying to reach an agreement; that is, the amount which a pru-dent licensee-who desired, as a business proposition, to obtain a license to manufacture and sell a particular article embodying the patented invention-would have been willing to pay as a royalty and yet be able to make a reason-able profit and which amount would have been acceptreason-able by a prudent patentee who was willing to grant a license.）