1. Legal Aspect of "Evidence" under Vietnamese Laws

1.1. What is evidence?

Evidence refers to any authentic materials submitted or presented to the Court during legal proceedings by the involved parties, organizations, individuals, or other agencies. It can also be collected by the Court following the prescribed order and procedures outlined in the Vietnamese Civil Procedure Code. The primary purpose of this evidence is to help the Court establish the objective facts of the case and determine whether the claims or objections made by the parties are well-founded and admissible.

1.2. What sources of evidence are acceptable in Vietnam?

In Article 94 of the Civil Procedure Code 2015, the source of evidence is as follows:

Evidence is gathered from the following sources:

Readable, audible, or visible materials, electronic data: Contents-readable materials shall be regarded as evidence if they are originals or copies lawfully notarized or authenticated or supplied and certified by competent agencies or organizations.
- Electronic data shall be presented in the form of exchange of electronic data, electronic invoices, electronic mails, telegram, telegraphy, facsimile, and other similar forms according to legislation on electronic transactions
Exhibits: Exhibits to be regarded as evidence must be original and related to the cases.
Involved parties' testimonies; Witness' testimonies: Involved parties' testimonies and witnesses' testimonies shall be regarded as evidence if they are recorded in writing or in audio tapes, audio discs, videotapes or discs or other audio or image recording devices as provided for in Clause 2 of Article 95 of the Civil Procedure Code 2015, or are given orally in Court sessions.
Expertising conclusions: Expertising conclusions shall be regarded as evidence if the expertise is conducted per the procedures prescribed by law.
On-site appraisal minutes: On-site appraisal minutes shall be regarded as evidence if the appraisal is conducted per the procedures prescribed by law
Property evaluation and price appraisal results: Property evaluation results and price appraisal results shall be regarded as evidence if the evaluation/appraisal is carried out by the procedures prescribed by law.
Written records of legal facts or acts that are formulated by functional persons: Written records of legal facts or acts that are formulated on-site by functional persons shall be regarded as evidence if the formulation of such records is carried out according to the procedures prescribed by law.
Notarized/authenticated documents: Notarized/authenticated documents shall be regarded as evidence if the notarization/authentication is conducted according to the procedures prescribed by law.
Other sources prescribed by law: Other sources prescribed by law shall be determined to be evidence according to requirements and procedures prescribed by law.

2. How to use evidence strategically in a litigation

2.1. Building a Compelling Case

Before you can even start using your evidence, you must start with building a compelling case. The evidence you choose forms the bedrock of your case. Strong evidence of originality and ownership (like patents or design documents) lays the foundation for your claims of infringement. Without these key pieces, your case lacks a solid base, making it vulnerable to challenges. Sun Tzu, in The Art of War, emphasized the importance of a firm foundation: "Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win." Similarly, gathering the right evidence beforehand strengthens your position and prepares you for the courtroom battle.

Just like raw materials need to be molded into useful structures, evidence needs to be shaped into compelling arguments. Strategic selection and presentation of evidence are crucial. You wouldn't use every brick available to build a wall; you choose the appropriate ones based on size, strength, and placement. Likewise, focus on evidence that directly supports your claims and resonates with the judge or jury. Understanding your opponent's arguments and tailoring your evidence accordingly allows you to anticipate and counter their claims.

Ultimately, your goal is to persuade the court of your case's merits. A skillfully crafted narrative woven from your evidence is key. Think of it like building a story, with each piece of evidence serving as a scene that progresses the plot toward your desired conclusion. A well-organized and impactful presentation of evidence leaves a lasting impression and strengthens your case's persuasiveness.

2.2. The Power of Expertise

The first step is selecting the perfect expert – not just someone with impeccable credentials, but someone who can translate complex technical jargon into layman's terms and connect seamlessly with the judge and jury. Imagine facing a patent infringement case; instead of a robotic professor spewing formulas, a captivating engineer who breaks down the technology into relatable analogies and interactive demonstrations holds the jury's attention, leaving a far more lasting impression.

Beyond expertise, preparation is key. Extensive pre-trial collaboration allows the lawyer to mold the expert's testimony into a narrative that seamlessly aligns with the overall case strategy. Anticipating opposing counsel's tactics and preparing clear, concise responses ensures the expert remains steadfast under cross-examination, their blade deflecting any attempts to dull its impact.

The expert's testimony shouldn't be a stand-alone performance; it must be woven into the fabric of the case. The lawyer, acting as the conductor, directs the expert's focus to the crucial points of contention, allowing their insights to illuminate the key arguments and dismantle opposing claims. Think of a copyright infringement case – the expert, guided by the lawyer, dissects the similarities between the works, not just highlighting technical aspects but explaining how these elements resonate with the average audience, solidifying the infringement claim.

An expert witness isn't just a one-time strike; they can be a continuous source of strategic advantage. During closing arguments, the lawyer can revisit the expert's testimony, drawing upon their credibility and insights to bolster the final push. Additionally, if opposing counsel introduces their own expert, the lawyer, armed with pre-prepared counter-arguments and a deep understanding of the expert's field, can effectively parry their blows, ensuring the initial strategic advantage isn't lost.

2.3. The Digital Age and Its Evidence Arsenal

The digital age has undoubtedly revolutionized the use of evidence in IP court cases, transforming courtroom battles into fascinating puzzles where bits and bytes play a starring role. Here's how the digital landscape has reshaped the evidentiary landscape. The internet and digital devices have become treasure troves of potential evidence, offering a wealth of information previously unavailable. Emails, social media posts, website archives, and even chat logs can provide crucial insights into the development and marketing of products, potentially exposing acts of copying or prior knowledge of the infringed IP. Imagine stumbling upon a smoking gun email where the defendant admits to copying your design – a digital goldmine for your case!

However, this abundance of digital evidence presents new challenges. Issues like authentication, chain of custody, and data manipulation come to the forefront. Lawyers must tread carefully, ensuring that digital evidence is collected, preserved, and presented in a way that meets legal standards and withstands scrutiny. Think of it like navigating a digital minefield – every step requires caution and expertise to avoid admissibility pitfalls. To navigate this complex terrain, a new breed of expert has emerged: the digital forensics specialist. These tech-savvy sleuths can extract hidden data, analyze deleted files, and trace online footprints, painting a digital picture that strengthens your case. Just like Sherlock Holmes relying on his keen observation skills, the digital expert helps uncover the hidden truths buried within the digital evidence.

The digital age has also transformed how evidence is presented. Infographics, animations, and even interactive 3D models can bring complex technical concepts to life, making them readily digestible for the judge and jury. Imagine showcasing the similarities between two products through an interactive 3D comparison, leaving a lasting impression that traditional documents simply cannot achieve.

Despite its benefits, the digital age also presents potential pitfalls. Overreliance on circumstantial digital evidence, manipulated data, and even fabricated online trails can mislead the court. Lawyers must exercise caution and ethical responsibility to ensure their digital arsenal is genuine and relevant. Remember, just like any powerful tool, digital evidence can be used for good or for ill – wielding it responsibly is crucial.

2.4. Balancing Relevance and Persuasiveness

Striking the delicate balance between relevance and persuasiveness in court is a masterclass in legal tightrope walking. Relevance ensures your evidence speaks directly to the legal issues at hand, each piece a carefully chosen brick building the narrative of your case. Persuasiveness, however, breathes life into those bricks, transforming the building into a compelling story that resonates with the court.

Imagine a prosecutor presenting mountains of emails – relevant, yes, but drowning the jury in a sea of irrelevant details. The impact dilutes, attention wanes, and the key pieces get lost in the clutter. A persuasive approach would curate the emails, selecting the few that paint a vivid picture of intent, weaving them into a concise chronology that leaves no room for doubt.

Relevance keeps your arguments on track, ensuring you stay within the legal boundaries of the case. Persuasiveness, however, is the emotional hook, capturing the court's attention and guiding them toward the desired conclusion. It's the art of choosing not just the right evidence, but the most impactful evidence, using clear explanations, powerful visuals, and even a touch of storytelling to make your case resonate.

Think of a patent infringement case. A technical expert could bombard the jury with complex diagrams and data – relevant, undeniably, but likely sending them into a technical coma. A persuasive approach would simplify the diagrams, highlight key similarities, and perhaps even use an interactive 3D model to showcase the undeniable overlap between the inventions. This not only fulfills the requirement of relevance but also makes the infringement crystal clear, leaving a lasting impression on the court.

Balancing relevance and persuasiveness is an ongoing dance, demanding constant adjustments and strategic decisions. It's about understanding the legal framework, knowing your audience, and wielding evidence like a skilled sculptor, shaping it to illuminate the truth and build a case that not only stands on solid legal ground but also wins hearts and minds in the courtroom.

3. Conclusion

In the high-stakes realm of IP litigation, where fortunes and reputations hang in the balance, a strategic approach to evidence is the difference between victory and defeat. Understanding the legal framework, effectively utilizing discovery tools, harnessing the power of expert testimony, and presenting evidence compellingly and persuasively are all crucial components of a winning strategy. By wielding evidence strategically, IP lawyers can navigate the complexities of the courtroom, illuminate the truth, and secure the desired outcome for their clients.

If you need further explanation on this subject, please don't hesitate to contact us through email at dung@luatminhkhue.vn or phone number: +84986 386 648. Lawyer To Thi Phuong Dzung.